./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/count_down-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/count_down-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 99c02e26cc69c81635e61f874ccaf79837a3339fa533477441a437bf8690e003 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:37:25,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:37:25,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:37:25,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:37:25,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:37:25,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:37:25,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:37:25,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:37:25,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:37:25,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:37:25,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:37:25,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:37:25,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:37:25,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:37:25,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:37:25,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:37:25,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:37:25,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:37:25,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:37:25,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:37:25,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:37:25,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:37:25,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:37:25,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:37:25,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:37:25,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:37:25,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:37:25,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:37:25,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:37:25,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:37:25,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:37:25,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:37:25,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:37:25,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:37:25,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:37:25,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:37:25,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:37:25,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:37:25,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:37:25,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:37:25,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:37:25,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 20:37:25,263 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:37:25,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:37:25,264 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:37:25,264 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:37:25,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:37:25,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:37:25,266 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:37:25,266 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:37:25,267 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:37:25,267 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:37:25,267 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:37:25,268 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:37:25,268 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:37:25,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:37:25,269 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:37:25,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:37:25,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:37:25,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:37:25,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:37:25,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:37:25,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:37:25,271 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:37:25,271 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:37:25,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:37:25,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:37:25,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:37:25,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:37:25,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:37:25,274 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:37:25,275 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99c02e26cc69c81635e61f874ccaf79837a3339fa533477441a437bf8690e003 [2022-11-18 20:37:25,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:37:25,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:37:25,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:37:25,595 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:37:25,596 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:37:25,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-memory-alloca/count_down-alloca-2.i [2022-11-18 20:37:25,679 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/data/f47c87f79/0f314f1a125949e0b6e09e645e80cebf/FLAG0f8d0e826 [2022-11-18 20:37:26,403 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:37:26,405 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/sv-benchmarks/c/termination-memory-alloca/count_down-alloca-2.i [2022-11-18 20:37:26,415 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/data/f47c87f79/0f314f1a125949e0b6e09e645e80cebf/FLAG0f8d0e826 [2022-11-18 20:37:26,682 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/data/f47c87f79/0f314f1a125949e0b6e09e645e80cebf [2022-11-18 20:37:26,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:37:26,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:37:26,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:37:26,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:37:26,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:37:26,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:37:26" (1/1) ... [2022-11-18 20:37:26,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c61529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:26, skipping insertion in model container [2022-11-18 20:37:26,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:37:26" (1/1) ... [2022-11-18 20:37:26,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:37:26,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:37:27,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:37:27,113 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:37:27,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:37:27,224 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:37:27,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:27 WrapperNode [2022-11-18 20:37:27,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:37:27,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:37:27,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:37:27,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:37:27,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:27" (1/1) ... [2022-11-18 20:37:27,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:27" (1/1) ... [2022-11-18 20:37:27,290 INFO L138 Inliner]: procedures = 110, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2022-11-18 20:37:27,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:37:27,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:37:27,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:37:27,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:37:27,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:27" (1/1) ... [2022-11-18 20:37:27,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:27" (1/1) ... [2022-11-18 20:37:27,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:27" (1/1) ... [2022-11-18 20:37:27,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:27" (1/1) ... [2022-11-18 20:37:27,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:27" (1/1) ... [2022-11-18 20:37:27,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:27" (1/1) ... [2022-11-18 20:37:27,330 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:27" (1/1) ... [2022-11-18 20:37:27,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:27" (1/1) ... [2022-11-18 20:37:27,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:37:27,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:37:27,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:37:27,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:37:27,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:27" (1/1) ... [2022-11-18 20:37:27,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:27,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:27,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:27,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:37:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:37:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:37:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:37:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:37:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:37:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:37:27,609 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:37:27,611 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:37:27,797 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:37:27,804 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:37:27,805 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 20:37:27,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:37:27 BoogieIcfgContainer [2022-11-18 20:37:27,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:37:27,807 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:37:27,807 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:37:27,827 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:37:27,828 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:37:27,828 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:37:26" (1/3) ... [2022-11-18 20:37:27,829 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@525b1ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:37:27, skipping insertion in model container [2022-11-18 20:37:27,829 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:37:27,829 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:37:27" (2/3) ... [2022-11-18 20:37:27,830 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@525b1ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:37:27, skipping insertion in model container [2022-11-18 20:37:27,830 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:37:27,830 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:37:27" (3/3) ... [2022-11-18 20:37:27,831 INFO L332 chiAutomizerObserver]: Analyzing ICFG count_down-alloca-2.i [2022-11-18 20:37:27,930 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:37:27,930 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:37:27,930 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:37:27,930 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:37:27,931 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:37:27,931 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:37:27,931 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:37:27,931 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:37:27,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:27,967 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-18 20:37:27,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:27,968 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:27,975 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 20:37:27,975 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:37:27,976 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:37:27,976 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:27,980 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-18 20:37:27,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:27,981 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:27,981 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 20:37:27,981 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:37:27,994 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 16#L551true assume !(main_~length~0#1 < 1); 11#L551-2true call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 10#L553true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 15#L554-3true [2022-11-18 20:37:27,995 INFO L750 eck$LassoCheckResult]: Loop: 15#L554-3true assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4#L556true assume main_~val~0#1 < 0;main_~val~0#1 := 0; 5#L556-2true call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 14#L554-2true main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 15#L554-3true [2022-11-18 20:37:28,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:28,008 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2022-11-18 20:37:28,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:28,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653513687] [2022-11-18 20:37:28,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:28,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:28,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:28,224 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:28,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:28,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1603878, now seen corresponding path program 1 times [2022-11-18 20:37:28,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:28,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420863577] [2022-11-18 20:37:28,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:28,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:28,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:28,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:28,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:28,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1182970350, now seen corresponding path program 1 times [2022-11-18 20:37:28,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:28,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835410407] [2022-11-18 20:37:28,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:28,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:28,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:28,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:28,705 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:37:28,706 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:37:28,706 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:37:28,706 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:37:28,707 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:37:28,707 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:28,707 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:37:28,707 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:37:28,708 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration1_Lasso [2022-11-18 20:37:28,708 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:37:28,708 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:37:28,744 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:28,963 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:28,966 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:28,969 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:28,972 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:28,975 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:28,978 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:28,981 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:28,986 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:28,992 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:28,996 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:29,001 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:29,004 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:29,008 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:29,013 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:29,464 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:37:29,469 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:37:29,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:29,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:29,479 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:29,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:29,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:37:29,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:29,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:29,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:29,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:29,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:29,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:29,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:29,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:29,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:29,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:29,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:29,528 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:29,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:29,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:29,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:29,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:29,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:29,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:37:29,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:29,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:29,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:29,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:29,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:29,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:29,589 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:29,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:29,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:37:29,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:29,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:29,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:29,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:29,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:29,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:29,655 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:37:29,678 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-18 20:37:29,678 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-18 20:37:29,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:29,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:29,687 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:29,694 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:37:29,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:37:29,713 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:37:29,714 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:37:29,714 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~arr~0#1.offset, v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_1) = -4*ULTIMATE.start_main_~i~0#1 - 1*ULTIMATE.start_main_~arr~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_1 Supporting invariants [] [2022-11-18 20:37:29,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:29,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:29,765 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-11-18 20:37:29,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:37:29,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:29,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:37:29,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:29,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:29,905 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 20:37:29,908 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:29,967 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 60 transitions. Complement of second has 7 states. [2022-11-18 20:37:29,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:37:29,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:29,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 40 transitions. [2022-11-18 20:37:29,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-18 20:37:29,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:29,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 9 letters. Loop has 4 letters. [2022-11-18 20:37:29,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:29,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 5 letters. Loop has 8 letters. [2022-11-18 20:37:29,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:29,981 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 60 transitions. [2022-11-18 20:37:29,984 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:37:29,988 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 15 states and 20 transitions. [2022-11-18 20:37:29,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:37:29,990 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-18 20:37:29,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2022-11-18 20:37:29,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:37:29,991 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-18 20:37:30,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2022-11-18 20:37:30,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-18 20:37:30,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:30,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2022-11-18 20:37:30,020 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-18 20:37:30,021 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-18 20:37:30,021 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:37:30,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2022-11-18 20:37:30,022 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:37:30,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:30,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:30,023 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:30,023 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:37:30,023 INFO L748 eck$LassoCheckResult]: Stem: 126#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 127#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 133#L551 assume !(main_~length~0#1 < 1); 137#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 135#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 136#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 134#L554-4 main_~j~0#1 := 0; 132#L561-3 [2022-11-18 20:37:30,023 INFO L750 eck$LassoCheckResult]: Loop: 132#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 139#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 138#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 131#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 132#L561-3 [2022-11-18 20:37:30,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:30,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815512, now seen corresponding path program 1 times [2022-11-18 20:37:30,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:30,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329337642] [2022-11-18 20:37:30,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:30,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:30,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:30,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:30,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329337642] [2022-11-18 20:37:30,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329337642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:37:30,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:37:30,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:37:30,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891473251] [2022-11-18 20:37:30,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:37:30,125 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:37:30,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:30,126 INFO L85 PathProgramCache]: Analyzing trace with hash 2252300, now seen corresponding path program 1 times [2022-11-18 20:37:30,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:30,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779045635] [2022-11-18 20:37:30,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:30,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:30,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:30,138 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:30,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:30,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:37:30,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:37:30,190 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:30,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:30,221 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2022-11-18 20:37:30,221 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2022-11-18 20:37:30,222 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:37:30,223 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 23 transitions. [2022-11-18 20:37:30,223 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:37:30,223 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-18 20:37:30,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2022-11-18 20:37:30,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:37:30,224 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-11-18 20:37:30,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2022-11-18 20:37:30,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2022-11-18 20:37:30,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:30,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2022-11-18 20:37:30,226 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-18 20:37:30,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:37:30,227 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-18 20:37:30,228 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:37:30,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2022-11-18 20:37:30,228 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:37:30,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:30,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:30,229 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:30,229 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:37:30,230 INFO L748 eck$LassoCheckResult]: Stem: 166#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 167#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 173#L551 assume !(main_~length~0#1 < 1); 179#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 175#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 176#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 168#L556 assume !(main_~val~0#1 < 0); 169#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 170#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 180#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 174#L554-4 main_~j~0#1 := 0; 172#L561-3 [2022-11-18 20:37:30,230 INFO L750 eck$LassoCheckResult]: Loop: 172#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 178#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 177#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 171#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 172#L561-3 [2022-11-18 20:37:30,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:30,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1329979393, now seen corresponding path program 1 times [2022-11-18 20:37:30,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:30,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795423678] [2022-11-18 20:37:30,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:30,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:30,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:30,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:30,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:30,265 INFO L85 PathProgramCache]: Analyzing trace with hash 2252300, now seen corresponding path program 2 times [2022-11-18 20:37:30,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:30,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780789076] [2022-11-18 20:37:30,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:30,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:30,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:30,277 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:30,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:30,278 INFO L85 PathProgramCache]: Analyzing trace with hash -2035265782, now seen corresponding path program 1 times [2022-11-18 20:37:30,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:30,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855984080] [2022-11-18 20:37:30,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:30,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:30,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:30,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:30,784 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:37:30,784 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:37:30,784 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:37:30,784 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:37:30,784 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:37:30,784 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:30,784 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:37:30,785 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:37:30,785 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration3_Lasso [2022-11-18 20:37:30,785 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:37:30,785 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:37:30,791 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:30,795 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:31,046 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:31,049 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:31,051 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:31,055 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:31,057 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:31,061 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:31,064 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:31,067 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:31,069 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:31,073 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:31,078 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:31,081 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:31,453 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:37:31,454 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:37:31,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:31,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:31,455 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:31,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:31,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:37:31,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:31,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:31,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:31,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:31,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:31,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:31,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:31,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:31,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:31,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:31,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:31,506 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:31,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:37:31,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:31,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:31,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:31,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:31,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:31,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:31,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:31,576 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:37:31,628 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-11-18 20:37:31,628 INFO L444 ModelExtractionUtils]: 10 out of 25 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-11-18 20:37:31,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:31,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:31,631 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:31,647 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:37:31,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:37:31,665 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:37:31,665 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:37:31,666 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~arr~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc3#1.base)_2, ULTIMATE.start_main_~j~0#1) = -1*ULTIMATE.start_main_~arr~0#1.offset + 2*v_rep(select #length ULTIMATE.start_main_#t~malloc3#1.base)_2 - 4*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2022-11-18 20:37:31,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:31,687 INFO L156 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2022-11-18 20:37:31,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:31,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:37:31,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:31,810 WARN L261 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 20:37:31,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:31,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:31,881 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-18 20:37:31,882 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:31,937 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 27 transitions. Complement of second has 7 states. [2022-11-18 20:37:31,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:37:31,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:31,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2022-11-18 20:37:31,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 4 letters. [2022-11-18 20:37:31,941 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:31,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 15 letters. Loop has 4 letters. [2022-11-18 20:37:31,941 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:31,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 8 letters. [2022-11-18 20:37:31,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:31,942 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2022-11-18 20:37:31,952 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:31,953 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 26 transitions. [2022-11-18 20:37:31,953 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:37:31,953 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-18 20:37:31,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2022-11-18 20:37:31,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:37:31,955 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-18 20:37:31,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2022-11-18 20:37:31,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2022-11-18 20:37:31,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:31,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2022-11-18 20:37:31,959 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-18 20:37:31,960 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-18 20:37:31,960 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 20:37:31,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2022-11-18 20:37:31,967 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:31,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:31,968 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:31,970 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:31,970 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:37:31,971 INFO L748 eck$LassoCheckResult]: Stem: 288#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 289#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 295#L551 assume !(main_~length~0#1 < 1); 300#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 298#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 299#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 290#L556 assume !(main_~val~0#1 < 0); 291#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 292#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 305#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 296#L554-4 main_~j~0#1 := 0; 297#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 302#L562-3 [2022-11-18 20:37:31,971 INFO L750 eck$LassoCheckResult]: Loop: 302#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 301#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 302#L562-3 [2022-11-18 20:37:31,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:31,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1720311820, now seen corresponding path program 1 times [2022-11-18 20:37:31,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:31,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361833424] [2022-11-18 20:37:31,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:31,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:31,986 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:32,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:32,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:32,001 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 1 times [2022-11-18 20:37:32,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:32,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601300415] [2022-11-18 20:37:32,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:32,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:32,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:32,013 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:32,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:32,014 INFO L85 PathProgramCache]: Analyzing trace with hash -342748399, now seen corresponding path program 1 times [2022-11-18 20:37:32,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:32,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35503814] [2022-11-18 20:37:32,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:32,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:32,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:32,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:32,373 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:37:32,373 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:37:32,373 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:37:32,373 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:37:32,373 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:37:32,374 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:32,374 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:37:32,374 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:37:32,374 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration4_Lasso [2022-11-18 20:37:32,374 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:37:32,374 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:37:32,377 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:32,380 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:32,384 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:32,386 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:32,390 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:32,393 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:32,396 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:32,400 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:32,405 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:32,408 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:32,412 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:32,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:32,692 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:32,695 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:32,699 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:33,057 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:37:33,057 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:37:33,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:33,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:33,068 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:33,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:33,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:37:33,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:33,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:33,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:33,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:33,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:33,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:33,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:33,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:33,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:33,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:33,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:33,127 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:33,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:37:33,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:33,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:33,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:33,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:33,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:33,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:33,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:33,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:33,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:33,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:33,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:33,190 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:33,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:37:33,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:33,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:33,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:33,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:33,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:33,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:33,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:33,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:33,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:33,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:33,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:33,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:33,241 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:33,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:37:33,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:33,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:33,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:33,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:33,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:33,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:33,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:33,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:33,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:33,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:33,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:33,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:33,280 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:33,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:37:33,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:33,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:33,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:33,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:33,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:33,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:33,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:33,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:33,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:33,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:33,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:33,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:33,325 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:33,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:33,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 20:37:33,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:33,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:33,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:33,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:33,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:33,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:33,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:33,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:33,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:33,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:33,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:33,363 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:33,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:33,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:33,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:33,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:33,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:33,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 20:37:33,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:33,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:33,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:33,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:33,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:33,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:33,418 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:33,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:33,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 20:37:33,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:33,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:33,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:33,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:33,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:33,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:33,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:33,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:33,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:33,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:33,455 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:33,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:33,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 20:37:33,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:33,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:33,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:33,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:33,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:33,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:33,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:33,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:33,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:33,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:33,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:33,500 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:33,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:33,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 20:37:33,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:33,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:33,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:33,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:33,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:33,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:33,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:33,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:33,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:33,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:33,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:33,539 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:33,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:33,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 20:37:33,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:33,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:33,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:33,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:33,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:33,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:33,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:33,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:33,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:33,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:33,601 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:33,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 20:37:33,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:33,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:33,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:33,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:33,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:33,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:33,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:33,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:33,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:33,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:33,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:33,652 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:33,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:33,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 20:37:33,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:33,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:33,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:33,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:33,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:33,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:33,700 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:37:33,723 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-18 20:37:33,723 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-18 20:37:33,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:33,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:33,725 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:33,736 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:37:33,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 20:37:33,750 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:37:33,750 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:37:33,750 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_1 Supporting invariants [] [2022-11-18 20:37:33,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:33,778 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2022-11-18 20:37:33,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:33,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:37:33,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:33,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:37:33,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:33,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:33,887 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-18 20:37:33,888 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:33,925 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 35 transitions. Complement of second has 8 states. [2022-11-18 20:37:33,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:37:33,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2022-11-18 20:37:33,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 2 letters. [2022-11-18 20:37:33,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:33,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 14 letters. Loop has 2 letters. [2022-11-18 20:37:33,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:33,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 4 letters. [2022-11-18 20:37:33,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:33,928 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 35 transitions. [2022-11-18 20:37:33,929 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:33,929 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 22 states and 28 transitions. [2022-11-18 20:37:33,929 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:37:33,929 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:37:33,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2022-11-18 20:37:33,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:37:33,930 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2022-11-18 20:37:33,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2022-11-18 20:37:33,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2022-11-18 20:37:33,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:33,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2022-11-18 20:37:33,932 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-18 20:37:33,932 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-18 20:37:33,932 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-18 20:37:33,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 27 transitions. [2022-11-18 20:37:33,933 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:33,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:33,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:33,933 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:33,934 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:37:33,934 INFO L748 eck$LassoCheckResult]: Stem: 421#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 422#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 430#L551 assume !(main_~length~0#1 < 1); 433#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 431#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 432#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 423#L556 assume !(main_~val~0#1 < 0); 424#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 425#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 437#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 428#L554-4 main_~j~0#1 := 0; 429#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 438#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 436#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 426#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 427#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 435#L562-3 [2022-11-18 20:37:33,934 INFO L750 eck$LassoCheckResult]: Loop: 435#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 434#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 435#L562-3 [2022-11-18 20:37:33,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:33,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1331270241, now seen corresponding path program 2 times [2022-11-18 20:37:33,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:33,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799067155] [2022-11-18 20:37:33,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:33,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:34,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:34,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:34,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799067155] [2022-11-18 20:37:34,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799067155] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:37:34,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441664113] [2022-11-18 20:37:34,054 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:37:34,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:37:34,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:34,056 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:37:34,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-11-18 20:37:34,123 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:37:34,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:37:34,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:37:34,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:34,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:34,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:37:34,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:34,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:34,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441664113] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:37:34,282 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:37:34,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-11-18 20:37:34,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76009442] [2022-11-18 20:37:34,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:37:34,283 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:37:34,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:34,284 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 2 times [2022-11-18 20:37:34,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:34,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233542289] [2022-11-18 20:37:34,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:34,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:34,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:34,307 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:34,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:34,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 20:37:34,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:37:34,351 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. cyclomatic complexity: 10 Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:34,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:34,485 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions. [2022-11-18 20:37:34,485 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 57 transitions. [2022-11-18 20:37:34,486 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:34,487 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 28 states and 35 transitions. [2022-11-18 20:37:34,487 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:37:34,487 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:37:34,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2022-11-18 20:37:34,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:37:34,488 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 35 transitions. [2022-11-18 20:37:34,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2022-11-18 20:37:34,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2022-11-18 20:37:34,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:34,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2022-11-18 20:37:34,490 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-18 20:37:34,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:37:34,491 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-18 20:37:34,491 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-18 20:37:34,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2022-11-18 20:37:34,492 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:34,492 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:34,492 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:34,493 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:34,493 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:37:34,493 INFO L748 eck$LassoCheckResult]: Stem: 601#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 602#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 610#L551 assume !(main_~length~0#1 < 1); 617#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 611#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 612#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 620#L556 assume !(main_~val~0#1 < 0); 625#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 618#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 619#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 603#L556 assume !(main_~val~0#1 < 0); 604#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 605#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 624#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 608#L554-4 main_~j~0#1 := 0; 609#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 616#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 623#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 606#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 607#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 614#L562-3 [2022-11-18 20:37:34,494 INFO L750 eck$LassoCheckResult]: Loop: 614#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 613#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 614#L562-3 [2022-11-18 20:37:34,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:34,494 INFO L85 PathProgramCache]: Analyzing trace with hash 34477914, now seen corresponding path program 3 times [2022-11-18 20:37:34,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:34,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307729228] [2022-11-18 20:37:34,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:34,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:34,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:34,532 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:34,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:34,533 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 3 times [2022-11-18 20:37:34,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:34,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337115739] [2022-11-18 20:37:34,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:34,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:34,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:34,544 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:34,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:34,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1226461473, now seen corresponding path program 1 times [2022-11-18 20:37:34,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:34,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177591231] [2022-11-18 20:37:34,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:34,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:34,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:34,586 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:35,059 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:37:35,059 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:37:35,060 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:37:35,060 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:37:35,060 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:37:35,060 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:35,060 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:37:35,060 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:37:35,060 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration6_Lasso [2022-11-18 20:37:35,061 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:37:35,061 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:37:35,063 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,066 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,069 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,072 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,074 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,079 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,081 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,084 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,087 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,090 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,093 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,095 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,099 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,102 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:35,844 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:37:35,844 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:37:35,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:35,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:35,846 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:35,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:35,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 20:37:35,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:35,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:35,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:35,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:35,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:35,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:35,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:35,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:35,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:35,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:35,887 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:35,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 20:37:35,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:35,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:35,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:35,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:35,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:35,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:35,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:35,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:35,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:35,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-18 20:37:35,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:35,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:35,911 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:35,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-18 20:37:35,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:35,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:35,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:35,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:35,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:35,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:35,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:35,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:35,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-18 20:37:35,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:35,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:35,938 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:35,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-18 20:37:35,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:35,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:35,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:35,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:35,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:35,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:35,953 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:35,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:35,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:35,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-11-18 20:37:35,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:35,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:35,963 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:35,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:35,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:35,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-18 20:37:35,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:35,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:35,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:35,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:35,983 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:35,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:36,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:36,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:36,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:36,003 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:36,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:36,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-18 20:37:36,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:36,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:36,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:36,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:36,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:36,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:36,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:36,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:36,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-18 20:37:36,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:36,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:36,026 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:36,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-18 20:37:36,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:36,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:36,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:36,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:36,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:36,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:36,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:36,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:36,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:36,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:36,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:36,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:36,060 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:36,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:36,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-18 20:37:36,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:36,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:36,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:36,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:36,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:36,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:36,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:36,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:36,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:36,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:36,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:36,109 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:36,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-18 20:37:36,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:36,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:36,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:36,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:36,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:36,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:36,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:36,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:36,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:36,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:36,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:36,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:36,144 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:36,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-18 20:37:36,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:36,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:36,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:36,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:36,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:36,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:36,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:36,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:36,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:36,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-18 20:37:36,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:36,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:36,162 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:36,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-18 20:37:36,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:36,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:36,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:36,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:36,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:36,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:36,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:36,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:36,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:36,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:36,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:36,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:36,190 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:36,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-18 20:37:36,194 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:36,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:36,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:36,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:36,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:36,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:36,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:36,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:36,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:36,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:36,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:36,224 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:36,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:36,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-18 20:37:36,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:36,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:36,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:36,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:36,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:36,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:36,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:36,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:36,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:36,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:36,276 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:36,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-18 20:37:36,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:36,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:36,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:36,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:36,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:36,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:36,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:36,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:36,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:36,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:36,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:36,356 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:36,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:36,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-18 20:37:36,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:36,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:36,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:36,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:36,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:36,383 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:36,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:36,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:36,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:36,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:36,413 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:36,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:36,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-18 20:37:36,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:36,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:36,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:36,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:36,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:36,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:36,454 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:37:36,471 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-18 20:37:36,471 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-18 20:37:36,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:36,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:36,475 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:36,480 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:37:36,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-18 20:37:36,504 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:37:36,504 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:37:36,504 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 4))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 4))_1 Supporting invariants [] [2022-11-18 20:37:36,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:36,538 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2022-11-18 20:37:36,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:36,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:37:36,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:36,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:37:36,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:36,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:36,684 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-18 20:37:36,685 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:36,711 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 33 transitions. Complement of second has 4 states. [2022-11-18 20:37:36,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:37:36,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:37:36,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 20 letters. Loop has 2 letters. [2022-11-18 20:37:36,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:36,714 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:37:36,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:36,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:37:36,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:36,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:37:36,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:36,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:36,867 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-18 20:37:36,867 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:36,895 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 33 transitions. Complement of second has 4 states. [2022-11-18 20:37:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:37:36,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:36,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:37:36,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 20 letters. Loop has 2 letters. [2022-11-18 20:37:36,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:36,898 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:37:36,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:36,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:37:36,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:37,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:37:37,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:37,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:37,050 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-18 20:37:37,050 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:37,121 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 50 transitions. Complement of second has 10 states. [2022-11-18 20:37:37,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:37:37,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:37,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 33 transitions. [2022-11-18 20:37:37,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 33 transitions. Stem has 20 letters. Loop has 2 letters. [2022-11-18 20:37:37,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:37,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 33 transitions. Stem has 22 letters. Loop has 2 letters. [2022-11-18 20:37:37,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:37,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 33 transitions. Stem has 20 letters. Loop has 4 letters. [2022-11-18 20:37:37,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:37,124 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 50 transitions. [2022-11-18 20:37:37,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:37,125 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 35 states and 43 transitions. [2022-11-18 20:37:37,125 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:37:37,126 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-18 20:37:37,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 43 transitions. [2022-11-18 20:37:37,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:37:37,126 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 43 transitions. [2022-11-18 20:37:37,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 43 transitions. [2022-11-18 20:37:37,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2022-11-18 20:37:37,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 29 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:37,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2022-11-18 20:37:37,129 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-11-18 20:37:37,129 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-11-18 20:37:37,130 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-18 20:37:37,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2022-11-18 20:37:37,130 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:37,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:37,131 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:37,131 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:37,131 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:37:37,132 INFO L748 eck$LassoCheckResult]: Stem: 995#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 996#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1002#L551 assume !(main_~length~0#1 < 1); 1011#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1005#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1006#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 997#L556 assume !(main_~val~0#1 < 0); 998#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 999#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1012#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1013#L556 assume !(main_~val~0#1 < 0); 1019#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1018#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1017#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 1003#L554-4 main_~j~0#1 := 0; 1004#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1014#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1022#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1000#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1001#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1010#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1024#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1021#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1020#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1008#L562-3 [2022-11-18 20:37:37,132 INFO L750 eck$LassoCheckResult]: Loop: 1008#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1007#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 1008#L562-3 [2022-11-18 20:37:37,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:37,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1808436561, now seen corresponding path program 4 times [2022-11-18 20:37:37,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:37,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331145821] [2022-11-18 20:37:37,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:37,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:37,334 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:37,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:37,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331145821] [2022-11-18 20:37:37,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331145821] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:37:37,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986861564] [2022-11-18 20:37:37,336 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 20:37:37,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:37:37,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:37,337 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:37:37,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-11-18 20:37:37,405 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 20:37:37,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:37:37,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:37:37,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:37,505 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:37,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:37:37,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:37,624 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:37,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986861564] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:37:37,624 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:37:37,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2022-11-18 20:37:37,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039836304] [2022-11-18 20:37:37,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:37:37,626 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:37:37,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:37,627 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 4 times [2022-11-18 20:37:37,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:37,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910939446] [2022-11-18 20:37:37,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:37,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:37,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:37,639 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:37,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:37,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 20:37:37,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:37:37,685 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. cyclomatic complexity: 12 Second operand has 14 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:37,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:37,825 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2022-11-18 20:37:37,825 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 60 transitions. [2022-11-18 20:37:37,826 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:37,826 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 37 states and 46 transitions. [2022-11-18 20:37:37,826 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:37:37,827 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:37:37,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 46 transitions. [2022-11-18 20:37:37,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:37:37,827 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 46 transitions. [2022-11-18 20:37:37,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 46 transitions. [2022-11-18 20:37:37,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2022-11-18 20:37:37,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 33 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:37,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2022-11-18 20:37:37,830 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-11-18 20:37:37,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:37:37,836 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-11-18 20:37:37,836 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-18 20:37:37,836 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2022-11-18 20:37:37,837 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:37,837 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:37,837 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:37,839 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:37,839 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:37:37,840 INFO L748 eck$LassoCheckResult]: Stem: 1237#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1238#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1244#L551 assume !(main_~length~0#1 < 1); 1253#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1247#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1248#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1255#L556 assume !(main_~val~0#1 < 0); 1270#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1269#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1256#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1239#L556 assume !(main_~val~0#1 < 0); 1240#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1241#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1254#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1265#L556 assume !(main_~val~0#1 < 0); 1268#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1267#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1264#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 1245#L554-4 main_~j~0#1 := 0; 1246#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1257#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1263#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1242#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1243#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1252#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1262#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1261#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1260#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1250#L562-3 [2022-11-18 20:37:37,840 INFO L750 eck$LassoCheckResult]: Loop: 1250#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1249#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 1250#L562-3 [2022-11-18 20:37:37,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:37,840 INFO L85 PathProgramCache]: Analyzing trace with hash -759828824, now seen corresponding path program 5 times [2022-11-18 20:37:37,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:37,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928118199] [2022-11-18 20:37:37,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:37,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:37,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:37,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:37,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:37,911 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 5 times [2022-11-18 20:37:37,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:37,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304877333] [2022-11-18 20:37:37,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:37,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:37,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:37,925 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:37,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:37,925 INFO L85 PathProgramCache]: Analyzing trace with hash -51058003, now seen corresponding path program 2 times [2022-11-18 20:37:37,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:37,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579014607] [2022-11-18 20:37:37,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:37,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:37,956 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:37,987 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:39,188 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:37:39,188 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:37:39,188 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:37:39,189 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:37:39,189 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:37:39,189 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:39,189 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:37:39,189 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:37:39,189 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration8_Lasso [2022-11-18 20:37:39,189 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:37:39,189 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:37:39,192 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:39,195 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:39,198 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:39,201 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:39,204 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:39,206 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:39,209 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:39,212 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:39,215 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:39,218 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:39,222 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:39,224 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:39,228 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:39,230 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:39,725 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:40,147 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:37:40,147 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:37:40,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:40,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:40,156 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:40,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-18 20:37:40,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:40,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:40,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:40,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:40,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:40,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:40,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:40,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:40,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:40,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-18 20:37:40,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:40,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:40,176 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:40,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-18 20:37:40,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:40,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:40,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:40,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:40,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:40,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:40,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:40,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:40,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:40,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-11-18 20:37:40,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:40,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:40,197 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:40,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-18 20:37:40,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:40,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:40,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:40,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:40,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:40,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:40,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:40,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:40,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-18 20:37:40,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:40,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:40,236 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:40,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-18 20:37:40,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:40,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:40,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:40,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:40,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:40,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:40,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:40,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:40,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:40,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:40,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:40,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:40,255 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:40,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-18 20:37:40,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:40,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:40,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:40,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:40,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:40,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:40,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:40,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:40,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:40,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-18 20:37:40,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:40,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:40,278 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:40,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-18 20:37:40,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:40,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:40,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:40,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:40,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:40,295 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:40,295 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:40,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:40,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-18 20:37:40,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:40,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:40,303 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:40,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-18 20:37:40,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:40,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:40,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:40,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:40,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:40,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:40,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:40,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:40,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-11-18 20:37:40,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:40,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:40,326 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:40,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-18 20:37:40,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:40,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:40,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:40,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:40,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:40,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:40,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:40,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:40,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:40,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-11-18 20:37:40,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:40,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:40,345 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:40,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-18 20:37:40,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:40,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:40,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:40,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:40,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:40,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:40,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:40,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:40,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:40,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:40,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:40,370 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:40,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-18 20:37:40,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:40,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:40,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:40,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:40,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:40,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:40,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:40,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:40,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-11-18 20:37:40,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:40,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:40,410 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:40,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-18 20:37:40,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:40,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:40,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:40,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:40,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:40,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:40,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:40,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:40,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:40,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:40,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:40,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:40,438 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:40,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-18 20:37:40,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:40,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:40,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:40,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:40,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:40,454 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:40,454 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:40,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:40,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:40,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:40,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:40,473 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:40,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-18 20:37:40,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:40,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:40,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:40,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:40,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:40,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:40,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:40,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:40,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:40,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-11-18 20:37:40,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:40,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:40,492 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:40,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-18 20:37:40,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:40,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:40,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:40,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:40,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:40,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:40,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:40,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:40,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:40,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:40,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:40,542 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:40,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:40,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-18 20:37:40,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:40,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:40,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:40,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:40,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:40,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:40,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:40,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:40,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:40,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:40,596 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:40,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:40,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-18 20:37:40,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:40,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:40,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:40,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:40,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:40,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:40,633 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:37:40,653 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-18 20:37:40,653 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-18 20:37:40,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:40,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:40,654 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:40,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-18 20:37:40,657 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:37:40,669 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:37:40,669 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:37:40,669 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_2 Supporting invariants [] [2022-11-18 20:37:40,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:40,751 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-11-18 20:37:40,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:40,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:37:40,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:41,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:37:41,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:41,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:41,133 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-18 20:37:41,133 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:41,252 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 56 transitions. Complement of second has 8 states. [2022-11-18 20:37:41,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:37:41,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:41,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 36 transitions. [2022-11-18 20:37:41,256 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 36 transitions. Stem has 28 letters. Loop has 2 letters. [2022-11-18 20:37:41,256 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:41,256 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:37:41,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:41,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:37:41,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:41,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:41,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:37:41,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:41,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:41,618 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-18 20:37:41,618 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:41,751 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 56 transitions. Complement of second has 8 states. [2022-11-18 20:37:41,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:37:41,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:41,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 36 transitions. [2022-11-18 20:37:41,756 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 36 transitions. Stem has 28 letters. Loop has 2 letters. [2022-11-18 20:37:41,756 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:41,756 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:37:41,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:41,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:37:41,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:42,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:37:42,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:42,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:42,115 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-18 20:37:42,115 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:42,341 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 78 states and 100 transitions. Complement of second has 17 states. [2022-11-18 20:37:42,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:37:42,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:42,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 67 transitions. [2022-11-18 20:37:42,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 67 transitions. Stem has 28 letters. Loop has 2 letters. [2022-11-18 20:37:42,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:42,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 67 transitions. Stem has 30 letters. Loop has 2 letters. [2022-11-18 20:37:42,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:42,344 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 67 transitions. Stem has 28 letters. Loop has 4 letters. [2022-11-18 20:37:42,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:42,344 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 100 transitions. [2022-11-18 20:37:42,345 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 20:37:42,346 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 73 states and 93 transitions. [2022-11-18 20:37:42,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-18 20:37:42,346 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-18 20:37:42,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 93 transitions. [2022-11-18 20:37:42,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:37:42,347 INFO L218 hiAutomatonCegarLoop]: Abstraction has 73 states and 93 transitions. [2022-11-18 20:37:42,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states and 93 transitions. [2022-11-18 20:37:42,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 45. [2022-11-18 20:37:42,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 44 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:42,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2022-11-18 20:37:42,351 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-11-18 20:37:42,351 INFO L428 stractBuchiCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-11-18 20:37:42,351 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-18 20:37:42,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 56 transitions. [2022-11-18 20:37:42,352 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:42,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:42,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:42,353 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:42,353 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:37:42,353 INFO L748 eck$LassoCheckResult]: Stem: 1856#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1857#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1863#L551 assume !(main_~length~0#1 < 1); 1872#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1866#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1867#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1875#L556 assume !(main_~val~0#1 < 0); 1888#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1884#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1885#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1889#L556 assume !(main_~val~0#1 < 0); 1886#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1887#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1876#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1877#L556 assume !(main_~val~0#1 < 0); 1900#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1873#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1874#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 1864#L554-4 main_~j~0#1 := 0; 1865#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1898#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1897#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1896#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1879#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1871#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1892#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1861#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1862#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1894#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1893#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1891#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1890#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 1869#L562-3 [2022-11-18 20:37:42,353 INFO L750 eck$LassoCheckResult]: Loop: 1869#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1868#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 1869#L562-3 [2022-11-18 20:37:42,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:42,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1822100739, now seen corresponding path program 6 times [2022-11-18 20:37:42,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:42,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614006126] [2022-11-18 20:37:42,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:42,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:42,500 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:42,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:42,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614006126] [2022-11-18 20:37:42,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614006126] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:37:42,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7036741] [2022-11-18 20:37:42,501 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-18 20:37:42,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:37:42,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:42,502 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:37:42,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2022-11-18 20:37:42,574 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-11-18 20:37:42,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:37:42,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 20:37:42,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:42,739 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:42,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:37:42,859 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:42,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7036741] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:37:42,859 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:37:42,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 16 [2022-11-18 20:37:42,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521516752] [2022-11-18 20:37:42,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:37:42,860 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:37:42,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:42,861 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 6 times [2022-11-18 20:37:42,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:42,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778240190] [2022-11-18 20:37:42,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:42,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:42,866 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:42,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:42,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:42,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-18 20:37:42,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-11-18 20:37:42,911 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. cyclomatic complexity: 17 Second operand has 17 states, 16 states have (on average 3.5) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:43,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:43,092 INFO L93 Difference]: Finished difference Result 58 states and 71 transitions. [2022-11-18 20:37:43,092 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 71 transitions. [2022-11-18 20:37:43,093 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:43,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 41 states and 51 transitions. [2022-11-18 20:37:43,094 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:37:43,094 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:37:43,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2022-11-18 20:37:43,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:37:43,094 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 51 transitions. [2022-11-18 20:37:43,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2022-11-18 20:37:43,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2022-11-18 20:37:43,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.236842105263158) internal successors, (47), 37 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:43,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2022-11-18 20:37:43,097 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 47 transitions. [2022-11-18 20:37:43,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:37:43,098 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 47 transitions. [2022-11-18 20:37:43,098 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-18 20:37:43,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 47 transitions. [2022-11-18 20:37:43,099 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:43,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:43,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:43,100 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:43,100 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:37:43,100 INFO L748 eck$LassoCheckResult]: Stem: 2175#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2176#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 2184#L551 assume !(main_~length~0#1 < 1); 2191#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 2185#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 2186#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2193#L556 assume !(main_~val~0#1 < 0); 2212#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2211#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2194#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2177#L556 assume !(main_~val~0#1 < 0); 2178#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2179#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2192#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2210#L556 assume !(main_~val~0#1 < 0); 2209#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2208#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2207#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2200#L556 assume !(main_~val~0#1 < 0); 2206#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2201#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2199#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 2182#L554-4 main_~j~0#1 := 0; 2183#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 2195#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2203#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2202#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2196#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 2190#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2205#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2180#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2181#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 2188#L562-3 [2022-11-18 20:37:43,101 INFO L750 eck$LassoCheckResult]: Loop: 2188#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2187#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 2188#L562-3 [2022-11-18 20:37:43,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:43,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1539979743, now seen corresponding path program 7 times [2022-11-18 20:37:43,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:43,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256852288] [2022-11-18 20:37:43,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:43,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:43,121 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:43,138 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:43,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:43,139 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 7 times [2022-11-18 20:37:43,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:43,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992479119] [2022-11-18 20:37:43,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:43,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:43,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:43,147 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:43,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:43,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1843185638, now seen corresponding path program 3 times [2022-11-18 20:37:43,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:43,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896631638] [2022-11-18 20:37:43,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:43,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:43,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:43,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:44,247 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:37:44,247 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:37:44,247 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:37:44,247 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:37:44,247 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:37:44,247 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:44,247 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:37:44,248 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:37:44,248 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration10_Lasso [2022-11-18 20:37:44,248 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:37:44,248 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:37:44,250 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:44,253 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:44,255 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:44,257 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:44,259 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:44,261 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:44,266 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:44,268 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:44,270 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:44,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:44,625 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:44,626 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:44,630 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:44,634 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:44,638 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:45,001 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:37:45,001 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:37:45,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:45,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:45,002 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:45,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-18 20:37:45,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:45,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:45,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:45,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:45,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:45,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:45,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:45,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:45,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:45,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-18 20:37:45,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:45,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:45,022 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:45,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-18 20:37:45,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:45,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:45,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:45,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:45,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:45,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:45,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:45,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:45,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-11-18 20:37:45,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:45,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:45,045 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:45,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-18 20:37:45,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:45,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:45,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:45,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:45,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:45,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:45,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:45,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:45,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:45,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:45,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:45,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:45,065 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:45,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-18 20:37:45,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:45,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:45,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:45,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:45,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:45,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:45,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:45,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:45,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:45,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-11-18 20:37:45,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:45,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:45,086 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:45,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-18 20:37:45,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:45,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:45,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:45,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:45,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:45,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:45,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:45,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:45,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2022-11-18 20:37:45,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:45,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:45,108 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:45,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-18 20:37:45,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:45,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:45,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:45,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:45,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:45,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:45,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:45,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:45,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-11-18 20:37:45,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:45,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:45,132 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:45,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-18 20:37:45,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:45,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:45,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:45,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:45,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:45,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:45,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:45,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:45,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:45,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:45,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:45,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:45,172 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:45,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:45,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-18 20:37:45,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:45,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:45,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:45,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:45,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:45,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:45,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:45,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:45,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:45,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:45,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:45,215 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:45,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:45,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-18 20:37:45,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:45,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:45,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:45,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:45,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:45,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:45,267 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:37:45,281 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-18 20:37:45,281 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-18 20:37:45,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:45,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:45,287 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:45,288 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:37:45,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-18 20:37:45,301 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:37:45,301 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:37:45,301 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 8))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 8))_1 Supporting invariants [] [2022-11-18 20:37:45,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:45,330 INFO L156 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2022-11-18 20:37:45,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:45,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:37:45,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:45,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:45,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:37:45,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:45,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:45,565 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-18 20:37:45,565 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:45,589 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 49 transitions. Complement of second has 4 states. [2022-11-18 20:37:45,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:37:45,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:45,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:37:45,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 32 letters. Loop has 2 letters. [2022-11-18 20:37:45,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:45,592 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:37:45,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:45,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:37:45,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:45,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:37:45,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:45,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:45,799 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-18 20:37:45,800 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:45,821 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 49 transitions. Complement of second has 4 states. [2022-11-18 20:37:45,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:37:45,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:45,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:37:45,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 32 letters. Loop has 2 letters. [2022-11-18 20:37:45,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:45,823 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:37:45,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:45,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:37:45,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:45,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:37:45,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:45,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:45,998 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-18 20:37:45,998 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:46,093 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 68 transitions. Complement of second has 12 states. [2022-11-18 20:37:46,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:37:46,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:46,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 39 transitions. [2022-11-18 20:37:46,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 32 letters. Loop has 2 letters. [2022-11-18 20:37:46,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:46,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 34 letters. Loop has 2 letters. [2022-11-18 20:37:46,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:46,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 32 letters. Loop has 4 letters. [2022-11-18 20:37:46,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:46,097 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 68 transitions. [2022-11-18 20:37:46,098 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:46,098 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 49 states and 61 transitions. [2022-11-18 20:37:46,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:37:46,099 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-18 20:37:46,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 61 transitions. [2022-11-18 20:37:46,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:37:46,099 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 61 transitions. [2022-11-18 20:37:46,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 61 transitions. [2022-11-18 20:37:46,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2022-11-18 20:37:46,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 42 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:46,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2022-11-18 20:37:46,105 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 53 transitions. [2022-11-18 20:37:46,105 INFO L428 stractBuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2022-11-18 20:37:46,105 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-18 20:37:46,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 53 transitions. [2022-11-18 20:37:46,106 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:46,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:46,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:46,107 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:46,107 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:37:46,108 INFO L748 eck$LassoCheckResult]: Stem: 2740#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2741#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 2747#L551 assume !(main_~length~0#1 < 1); 2756#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 2750#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 2751#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2759#L556 assume !(main_~val~0#1 < 0); 2771#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2757#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2758#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2742#L556 assume !(main_~val~0#1 < 0); 2743#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2744#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2770#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2769#L556 assume !(main_~val~0#1 < 0); 2768#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2767#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2766#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2763#L556 assume !(main_~val~0#1 < 0); 2765#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2764#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2762#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 2748#L554-4 main_~j~0#1 := 0; 2749#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 2755#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2761#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2745#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2746#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 2760#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2781#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2780#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2779#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 2778#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2775#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2774#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2772#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 2753#L562-3 [2022-11-18 20:37:46,108 INFO L750 eck$LassoCheckResult]: Loop: 2753#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2752#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 2753#L562-3 [2022-11-18 20:37:46,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:46,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1774872054, now seen corresponding path program 8 times [2022-11-18 20:37:46,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:46,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001240398] [2022-11-18 20:37:46,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:46,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:46,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:46,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:46,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:46,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 8 times [2022-11-18 20:37:46,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:46,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012812464] [2022-11-18 20:37:46,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:46,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:46,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:46,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:46,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:46,169 INFO L85 PathProgramCache]: Analyzing trace with hash 550028923, now seen corresponding path program 4 times [2022-11-18 20:37:46,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:46,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477896988] [2022-11-18 20:37:46,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:46,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:46,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:46,217 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:47,757 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:37:47,757 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:37:47,757 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:37:47,758 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:37:47,758 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:37:47,758 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:47,758 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:37:47,758 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:37:47,758 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration11_Lasso [2022-11-18 20:37:47,758 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:37:47,758 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:37:47,765 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:47,768 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:47,770 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:47,773 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:47,776 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:47,778 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:48,410 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:48,413 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:48,415 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:48,417 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:48,420 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:48,422 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:48,424 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:48,426 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:48,428 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:48,846 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:37:48,847 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:37:48,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:48,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:48,851 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:48,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-18 20:37:48,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:48,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:48,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:48,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:48,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:48,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:48,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:48,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:48,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:48,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2022-11-18 20:37:48,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:48,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:48,871 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:48,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-18 20:37:48,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:48,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:48,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:48,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:48,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:48,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:48,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:48,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:48,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:48,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:48,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:48,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:48,891 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:48,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-18 20:37:48,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:48,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:48,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:48,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:48,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:48,907 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:48,907 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:48,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:48,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-11-18 20:37:48,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:48,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:48,914 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:48,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:48,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-18 20:37:48,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:48,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:48,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:48,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:48,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:48,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:48,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:48,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2022-11-18 20:37:48,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:48,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:48,937 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:48,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-18 20:37:48,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:48,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:48,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:37:48,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:48,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:48,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:48,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:37:48,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:37:48,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:48,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:48,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:48,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:48,957 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:48,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:48,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-18 20:37:48,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:48,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:48,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:48,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:48,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:48,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:48,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:48,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:48,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:48,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:48,984 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:48,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-18 20:37:48,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:48,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:48,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:48,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:48,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:49,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:49,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:49,013 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:37:49,019 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-18 20:37:49,019 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-18 20:37:49,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:49,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:49,025 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:49,028 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:37:49,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-18 20:37:49,040 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:37:49,041 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:37:49,041 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 12))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 12))_2 Supporting invariants [] [2022-11-18 20:37:49,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2022-11-18 20:37:49,082 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2022-11-18 20:37:49,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:49,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 20:37:49,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:49,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:37:49,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:49,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:49,289 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-18 20:37:49,290 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:49,327 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 55 transitions. Complement of second has 4 states. [2022-11-18 20:37:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:37:49,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:49,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:37:49,330 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 36 letters. Loop has 2 letters. [2022-11-18 20:37:49,330 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:49,330 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:37:49,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:49,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 20:37:49,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:49,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:37:49,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:49,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:49,551 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-18 20:37:49,552 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:49,575 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 55 transitions. Complement of second has 4 states. [2022-11-18 20:37:49,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:37:49,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:49,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:37:49,576 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 36 letters. Loop has 2 letters. [2022-11-18 20:37:49,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:49,576 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:37:49,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:49,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 20:37:49,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:49,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:49,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:37:49,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:49,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:49,816 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-18 20:37:49,816 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:49,934 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 76 transitions. Complement of second has 14 states. [2022-11-18 20:37:49,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:37:49,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:49,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 45 transitions. [2022-11-18 20:37:49,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 36 letters. Loop has 2 letters. [2022-11-18 20:37:49,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:49,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 38 letters. Loop has 2 letters. [2022-11-18 20:37:49,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:49,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 36 letters. Loop has 4 letters. [2022-11-18 20:37:49,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:49,937 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 76 transitions. [2022-11-18 20:37:49,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:49,939 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 55 states and 69 transitions. [2022-11-18 20:37:49,939 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:37:49,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-18 20:37:49,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 69 transitions. [2022-11-18 20:37:49,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:37:49,939 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 69 transitions. [2022-11-18 20:37:49,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 69 transitions. [2022-11-18 20:37:49,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2022-11-18 20:37:49,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 47 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:49,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2022-11-18 20:37:49,942 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 59 transitions. [2022-11-18 20:37:49,942 INFO L428 stractBuchiCegarLoop]: Abstraction has 48 states and 59 transitions. [2022-11-18 20:37:49,943 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-18 20:37:49,943 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 59 transitions. [2022-11-18 20:37:49,943 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:49,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:49,943 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:49,944 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:49,944 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:37:49,944 INFO L748 eck$LassoCheckResult]: Stem: 3380#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3381#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3387#L551 assume !(main_~length~0#1 < 1); 3396#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 3390#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 3391#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3399#L556 assume !(main_~val~0#1 < 0); 3411#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3397#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3398#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3382#L556 assume !(main_~val~0#1 < 0); 3383#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3384#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3410#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3409#L556 assume !(main_~val~0#1 < 0); 3408#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3407#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3406#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3403#L556 assume !(main_~val~0#1 < 0); 3405#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3404#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3402#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 3388#L554-4 main_~j~0#1 := 0; 3389#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3395#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3401#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3385#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3386#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3400#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3426#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3425#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3424#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3422#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3421#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3420#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3419#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3418#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3415#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3414#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3412#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3393#L562-3 [2022-11-18 20:37:49,944 INFO L750 eck$LassoCheckResult]: Loop: 3393#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3392#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 3393#L562-3 [2022-11-18 20:37:49,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:49,945 INFO L85 PathProgramCache]: Analyzing trace with hash 296817483, now seen corresponding path program 9 times [2022-11-18 20:37:49,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:49,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059536287] [2022-11-18 20:37:49,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:49,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:50,228 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:50,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:50,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059536287] [2022-11-18 20:37:50,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059536287] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:37:50,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805546620] [2022-11-18 20:37:50,229 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 20:37:50,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:37:50,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:50,231 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:37:50,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2022-11-18 20:37:50,329 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-18 20:37:50,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:37:50,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 20:37:50,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:50,499 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:50,499 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:37:50,628 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:50,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805546620] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:37:50,629 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:37:50,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 19 [2022-11-18 20:37:50,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402319298] [2022-11-18 20:37:50,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:37:50,630 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:37:50,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:50,630 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 9 times [2022-11-18 20:37:50,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:50,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984646824] [2022-11-18 20:37:50,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:50,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:50,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:50,639 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:50,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:50,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-18 20:37:50,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2022-11-18 20:37:50,687 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. cyclomatic complexity: 18 Second operand has 20 states, 19 states have (on average 3.5789473684210527) internal successors, (68), 20 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:50,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:50,925 INFO L93 Difference]: Finished difference Result 77 states and 94 transitions. [2022-11-18 20:37:50,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 94 transitions. [2022-11-18 20:37:50,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:50,926 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 55 states and 68 transitions. [2022-11-18 20:37:50,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:37:50,927 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:37:50,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 68 transitions. [2022-11-18 20:37:50,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:37:50,927 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 68 transitions. [2022-11-18 20:37:50,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 68 transitions. [2022-11-18 20:37:50,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2022-11-18 20:37:50,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 51 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:50,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2022-11-18 20:37:50,930 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 64 transitions. [2022-11-18 20:37:50,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 20:37:50,930 INFO L428 stractBuchiCegarLoop]: Abstraction has 52 states and 64 transitions. [2022-11-18 20:37:50,930 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-18 20:37:50,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 64 transitions. [2022-11-18 20:37:50,938 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:50,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:50,939 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:50,940 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:50,943 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:37:50,943 INFO L748 eck$LassoCheckResult]: Stem: 3774#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3775#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3783#L551 assume !(main_~length~0#1 < 1); 3789#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 3784#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 3785#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3776#L556 assume !(main_~val~0#1 < 0); 3777#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3778#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3790#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3791#L556 assume !(main_~val~0#1 < 0); 3825#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3824#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3823#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3822#L556 assume !(main_~val~0#1 < 0); 3821#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3820#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3819#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3818#L556 assume !(main_~val~0#1 < 0); 3817#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3815#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3813#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3796#L556 assume !(main_~val~0#1 < 0); 3802#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3799#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3795#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 3781#L554-4 main_~j~0#1 := 0; 3782#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3792#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3788#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3779#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3780#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3793#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3814#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3812#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3811#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3809#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3808#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3807#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3806#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3805#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3801#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3800#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3797#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 3787#L562-3 [2022-11-18 20:37:50,943 INFO L750 eck$LassoCheckResult]: Loop: 3787#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3786#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 3787#L562-3 [2022-11-18 20:37:50,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:50,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1662287172, now seen corresponding path program 10 times [2022-11-18 20:37:50,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:50,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763765368] [2022-11-18 20:37:50,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:50,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:50,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:51,042 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:51,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:51,043 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 10 times [2022-11-18 20:37:51,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:51,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059045778] [2022-11-18 20:37:51,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:51,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:51,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:51,051 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:51,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:51,052 INFO L85 PathProgramCache]: Analyzing trace with hash -269860279, now seen corresponding path program 5 times [2022-11-18 20:37:51,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:51,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184649409] [2022-11-18 20:37:51,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:51,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:51,086 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:51,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:53,844 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:37:53,844 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:37:53,844 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:37:53,844 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:37:53,844 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:37:53,844 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:53,844 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:37:53,844 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:37:53,844 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration13_Lasso [2022-11-18 20:37:53,844 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:37:53,844 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:37:53,847 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:54,734 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:54,739 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:54,741 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:54,744 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:54,746 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:54,749 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:54,752 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:54,754 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:54,757 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:54,759 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:54,763 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:54,766 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:54,768 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:55,225 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:37:55,225 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:37:55,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:55,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:55,230 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:55,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-18 20:37:55,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:55,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:55,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:55,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:55,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:55,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:55,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:55,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:55,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2022-11-18 20:37:55,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:55,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:55,256 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:55,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-11-18 20:37:55,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:55,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:55,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:55,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:55,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:55,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:55,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:55,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:55,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2022-11-18 20:37:55,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:55,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:55,283 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:55,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-11-18 20:37:55,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:55,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:55,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:55,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:55,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:55,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:55,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:55,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:55,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2022-11-18 20:37:55,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:55,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:55,326 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:55,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-11-18 20:37:55,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:55,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:55,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:55,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:55,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:55,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:55,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:55,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:55,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:55,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:55,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:55,356 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:55,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-11-18 20:37:55,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:55,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:55,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:55,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:55,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:55,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:55,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:55,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:55,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2022-11-18 20:37:55,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:55,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:55,412 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:55,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:55,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-11-18 20:37:55,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:55,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:55,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:55,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:55,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:55,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:55,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:37:55,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:55,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:55,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:55,464 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:55,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:37:55,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-11-18 20:37:55,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:37:55,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:37:55,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:37:55,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:37:55,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:37:55,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:37:55,511 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:37:55,522 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-18 20:37:55,522 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-18 20:37:55,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:55,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:55,529 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:37:55,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-11-18 20:37:55,532 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:37:55,543 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:37:55,543 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:37:55,543 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 16 ULTIMATE.start_main_~arr~0#1.offset))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 16 ULTIMATE.start_main_~arr~0#1.offset))_1 Supporting invariants [] [2022-11-18 20:37:55,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:55,599 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-11-18 20:37:55,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:55,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 20:37:55,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:55,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:37:55,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:55,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:55,818 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-18 20:37:55,818 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:55,857 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 66 transitions. Complement of second has 4 states. [2022-11-18 20:37:55,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:37:55,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:55,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:37:55,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 44 letters. Loop has 2 letters. [2022-11-18 20:37:55,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:55,858 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:37:55,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:55,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 20:37:55,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:37:56,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:56,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:56,122 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-18 20:37:56,122 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:56,151 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 66 transitions. Complement of second has 4 states. [2022-11-18 20:37:56,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:37:56,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:56,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:37:56,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 44 letters. Loop has 2 letters. [2022-11-18 20:37:56,153 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:56,153 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:37:56,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 20:37:56,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:37:56,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:56,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:56,413 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-18 20:37:56,413 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:56,554 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 70 states and 89 transitions. Complement of second has 16 states. [2022-11-18 20:37:56,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:37:56,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:56,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 51 transitions. [2022-11-18 20:37:56,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 44 letters. Loop has 2 letters. [2022-11-18 20:37:56,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:56,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 46 letters. Loop has 2 letters. [2022-11-18 20:37:56,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:56,557 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 44 letters. Loop has 4 letters. [2022-11-18 20:37:56,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:37:56,557 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 89 transitions. [2022-11-18 20:37:56,558 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:56,559 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 65 states and 82 transitions. [2022-11-18 20:37:56,559 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:37:56,559 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-18 20:37:56,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 82 transitions. [2022-11-18 20:37:56,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:37:56,560 INFO L218 hiAutomatonCegarLoop]: Abstraction has 65 states and 82 transitions. [2022-11-18 20:37:56,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 82 transitions. [2022-11-18 20:37:56,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 57. [2022-11-18 20:37:56,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.2280701754385965) internal successors, (70), 56 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:56,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 70 transitions. [2022-11-18 20:37:56,563 INFO L240 hiAutomatonCegarLoop]: Abstraction has 57 states and 70 transitions. [2022-11-18 20:37:56,563 INFO L428 stractBuchiCegarLoop]: Abstraction has 57 states and 70 transitions. [2022-11-18 20:37:56,563 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-11-18 20:37:56,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 70 transitions. [2022-11-18 20:37:56,564 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:56,564 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:56,564 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:56,565 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:56,565 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:37:56,565 INFO L748 eck$LassoCheckResult]: Stem: 4537#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4538#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 4544#L551 assume !(main_~length~0#1 < 1); 4553#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 4547#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 4548#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4556#L556 assume !(main_~val~0#1 < 0); 4573#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4554#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4555#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4539#L556 assume !(main_~val~0#1 < 0); 4540#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4541#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4572#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4571#L556 assume !(main_~val~0#1 < 0); 4570#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4569#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4568#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4567#L556 assume !(main_~val~0#1 < 0); 4566#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4565#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4564#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4561#L556 assume !(main_~val~0#1 < 0); 4563#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4562#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4560#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 4545#L554-4 main_~j~0#1 := 0; 4546#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 4557#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4592#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4591#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4558#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 4552#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4559#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4542#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4543#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 4589#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4588#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4587#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4586#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 4584#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4583#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4582#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4581#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 4580#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4577#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4576#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4574#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 4550#L562-3 [2022-11-18 20:37:56,566 INFO L750 eck$LassoCheckResult]: Loop: 4550#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4549#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 4550#L562-3 [2022-11-18 20:37:56,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:56,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1637690471, now seen corresponding path program 11 times [2022-11-18 20:37:56,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:56,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468800389] [2022-11-18 20:37:56,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:56,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:37:56,816 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 28 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:56,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:37:56,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468800389] [2022-11-18 20:37:56,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468800389] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:37:56,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889010504] [2022-11-18 20:37:56,817 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-18 20:37:56,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:37:56,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:37:56,819 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:37:56,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Waiting until timeout for monitored process [2022-11-18 20:37:56,942 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-11-18 20:37:56,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:37:56,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 20:37:56,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:37:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:57,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:37:57,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2022-11-18 20:37:57,407 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:37:57,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889010504] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:37:57,408 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:37:57,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 22 [2022-11-18 20:37:57,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992752669] [2022-11-18 20:37:57,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:37:57,408 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:37:57,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:57,409 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 11 times [2022-11-18 20:37:57,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:57,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378473572] [2022-11-18 20:37:57,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:57,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:57,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:57,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:57,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:37:57,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-18 20:37:57,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2022-11-18 20:37:57,464 INFO L87 Difference]: Start difference. First operand 57 states and 70 transitions. cyclomatic complexity: 21 Second operand has 23 states, 22 states have (on average 3.6363636363636362) internal successors, (80), 23 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:57,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:37:57,726 INFO L93 Difference]: Finished difference Result 91 states and 111 transitions. [2022-11-18 20:37:57,726 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 111 transitions. [2022-11-18 20:37:57,727 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:57,727 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 64 states and 79 transitions. [2022-11-18 20:37:57,728 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:37:57,728 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:37:57,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 79 transitions. [2022-11-18 20:37:57,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:37:57,728 INFO L218 hiAutomatonCegarLoop]: Abstraction has 64 states and 79 transitions. [2022-11-18 20:37:57,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 79 transitions. [2022-11-18 20:37:57,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 61. [2022-11-18 20:37:57,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.2295081967213115) internal successors, (75), 60 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:37:57,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2022-11-18 20:37:57,732 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 75 transitions. [2022-11-18 20:37:57,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 20:37:57,732 INFO L428 stractBuchiCegarLoop]: Abstraction has 61 states and 75 transitions. [2022-11-18 20:37:57,733 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-11-18 20:37:57,733 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 75 transitions. [2022-11-18 20:37:57,733 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:37:57,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:37:57,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:37:57,734 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:37:57,734 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:37:57,735 INFO L748 eck$LassoCheckResult]: Stem: 5007#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5008#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 5014#L551 assume !(main_~length~0#1 < 1); 5023#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 5017#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 5018#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5009#L556 assume !(main_~val~0#1 < 0); 5010#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5011#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5024#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5025#L556 assume !(main_~val~0#1 < 0); 5067#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5066#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5065#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5064#L556 assume !(main_~val~0#1 < 0); 5063#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5062#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5061#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5060#L556 assume !(main_~val~0#1 < 0); 5059#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5058#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5057#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5056#L556 assume !(main_~val~0#1 < 0); 5055#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5054#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5053#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5034#L556 assume !(main_~val~0#1 < 0); 5037#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5035#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5033#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 5015#L554-4 main_~j~0#1 := 0; 5016#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 5026#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5051#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5050#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5027#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 5022#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5028#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5012#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5013#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 5048#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5047#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5046#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5045#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 5043#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5042#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5041#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5040#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 5039#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5032#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5031#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5029#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 5020#L562-3 [2022-11-18 20:37:57,735 INFO L750 eck$LassoCheckResult]: Loop: 5020#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5019#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 5020#L562-3 [2022-11-18 20:37:57,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:57,735 INFO L85 PathProgramCache]: Analyzing trace with hash 618476690, now seen corresponding path program 12 times [2022-11-18 20:37:57,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:57,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329659996] [2022-11-18 20:37:57,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:57,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:57,762 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:57,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:57,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:57,786 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 12 times [2022-11-18 20:37:57,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:57,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972855933] [2022-11-18 20:37:57,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:57,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:57,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:57,794 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:57,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:37:57,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1650613783, now seen corresponding path program 6 times [2022-11-18 20:37:57,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:37:57,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5287572] [2022-11-18 20:37:57,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:37:57,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:37:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:57,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:37:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:37:57,848 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:37:59,893 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:37:59,893 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:37:59,893 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:37:59,893 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:37:59,893 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:37:59,893 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:37:59,893 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:37:59,893 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:37:59,894 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration15_Lasso [2022-11-18 20:37:59,894 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:37:59,894 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:37:59,896 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:59,903 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:59,905 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:59,908 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:59,910 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:59,913 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:59,915 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:59,918 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:59,920 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:59,922 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:59,924 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:37:59,926 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:00,558 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:00,570 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:01,047 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:38:01,048 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:38:01,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:01,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:01,051 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:01,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-11-18 20:38:01,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:01,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:01,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:01,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:01,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:01,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:01,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:01,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:01,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:01,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:01,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:01,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:01,074 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:01,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-11-18 20:38:01,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:01,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:01,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:01,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:01,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:01,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:01,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:01,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:01,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:01,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:01,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:01,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:01,097 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:01,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-11-18 20:38:01,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:01,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:01,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:01,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:01,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:01,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:01,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:01,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:01,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:01,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:01,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:01,143 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:01,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-11-18 20:38:01,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:01,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:01,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:01,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:01,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:01,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:01,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:01,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:01,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:01,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:01,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:01,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:01,164 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:01,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2022-11-18 20:38:01,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:01,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:01,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:01,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:01,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:01,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:01,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:01,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:01,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:01,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:01,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:01,189 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:01,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-11-18 20:38:01,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:01,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:01,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:01,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:01,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:01,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:01,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:01,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:01,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:01,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2022-11-18 20:38:01,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:01,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:01,210 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:01,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2022-11-18 20:38:01,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:01,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:01,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:01,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:01,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:01,225 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:01,225 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:01,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:01,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:01,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:01,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:01,233 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:01,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2022-11-18 20:38:01,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:01,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:01,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:01,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:01,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:01,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:01,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:01,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:01,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:01,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:01,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:01,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:01,254 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:01,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2022-11-18 20:38:01,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:01,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:01,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:01,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:01,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:01,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:01,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:01,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:01,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:01,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2022-11-18 20:38:01,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:01,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:01,273 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:01,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2022-11-18 20:38:01,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:01,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:01,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:01,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:01,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:01,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:01,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:01,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:01,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:01,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2022-11-18 20:38:01,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:01,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:01,292 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:01,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2022-11-18 20:38:01,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:01,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:01,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:01,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:01,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:01,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:01,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:01,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:01,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:01,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:01,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:01,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:01,313 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:01,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2022-11-18 20:38:01,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:01,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:01,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:01,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:01,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:01,329 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:01,329 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:01,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:01,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2022-11-18 20:38:01,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:01,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:01,338 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:01,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2022-11-18 20:38:01,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:01,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:01,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:01,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:01,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:01,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:01,353 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:01,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:01,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:01,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:01,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:01,369 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:01,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2022-11-18 20:38:01,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:01,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:01,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:01,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:01,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:01,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:01,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:01,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:01,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2022-11-18 20:38:01,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:01,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:01,396 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:01,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2022-11-18 20:38:01,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:01,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:01,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:01,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:01,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:01,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:01,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:01,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:01,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2022-11-18 20:38:01,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:01,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:01,424 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:01,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2022-11-18 20:38:01,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:01,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:01,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:01,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:01,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:01,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:01,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:01,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:01,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:01,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:01,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:01,451 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:01,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2022-11-18 20:38:01,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:01,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:01,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:01,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:01,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:01,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:01,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:01,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:01,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:01,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:01,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:01,489 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:01,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2022-11-18 20:38:01,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:01,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:01,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:01,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:01,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:01,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:01,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:01,515 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:38:01,528 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-18 20:38:01,528 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-18 20:38:01,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:01,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:01,531 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:01,532 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:38:01,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2022-11-18 20:38:01,544 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:38:01,545 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:38:01,545 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_3 Supporting invariants [] [2022-11-18 20:38:01,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2022-11-18 20:38:01,610 INFO L156 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2022-11-18 20:38:01,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:01,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-18 20:38:01,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:02,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:38:02,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:02,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:02,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:02,168 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-18 20:38:02,168 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22 Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:02,362 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 71 states and 89 transitions. Complement of second has 11 states. [2022-11-18 20:38:02,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:38:02,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:02,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 51 transitions. [2022-11-18 20:38:02,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 52 letters. Loop has 2 letters. [2022-11-18 20:38:02,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:02,365 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:38:02,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:02,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-18 20:38:02,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:02,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:38:02,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:02,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:02,970 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-18 20:38:02,970 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22 Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:03,214 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 71 states and 89 transitions. Complement of second has 11 states. [2022-11-18 20:38:03,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:38:03,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:03,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 51 transitions. [2022-11-18 20:38:03,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 52 letters. Loop has 2 letters. [2022-11-18 20:38:03,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:03,215 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:38:03,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:03,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-18 20:38:03,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:03,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:38:03,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:03,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:03,840 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-18 20:38:03,840 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22 Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:04,360 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 126 states and 163 transitions. Complement of second has 26 states. [2022-11-18 20:38:04,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 14 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:38:04,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:04,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 100 transitions. [2022-11-18 20:38:04,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 100 transitions. Stem has 52 letters. Loop has 2 letters. [2022-11-18 20:38:04,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:04,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 100 transitions. Stem has 54 letters. Loop has 2 letters. [2022-11-18 20:38:04,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:04,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 100 transitions. Stem has 52 letters. Loop has 4 letters. [2022-11-18 20:38:04,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:04,362 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 163 transitions. [2022-11-18 20:38:04,364 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 20:38:04,365 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 121 states and 156 transitions. [2022-11-18 20:38:04,365 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-18 20:38:04,365 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-18 20:38:04,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 156 transitions. [2022-11-18 20:38:04,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:38:04,365 INFO L218 hiAutomatonCegarLoop]: Abstraction has 121 states and 156 transitions. [2022-11-18 20:38:04,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 156 transitions. [2022-11-18 20:38:04,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 72. [2022-11-18 20:38:04,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.2361111111111112) internal successors, (89), 71 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:04,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 89 transitions. [2022-11-18 20:38:04,371 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 89 transitions. [2022-11-18 20:38:04,371 INFO L428 stractBuchiCegarLoop]: Abstraction has 72 states and 89 transitions. [2022-11-18 20:38:04,371 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2022-11-18 20:38:04,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 89 transitions. [2022-11-18 20:38:04,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:38:04,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:38:04,372 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:38:04,373 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:38:04,373 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:38:04,374 INFO L748 eck$LassoCheckResult]: Stem: 6032#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6033#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 6041#L551 assume !(main_~length~0#1 < 1); 6048#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 6042#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 6043#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6034#L556 assume !(main_~val~0#1 < 0); 6035#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6036#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6051#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6052#L556 assume !(main_~val~0#1 < 0); 6072#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6049#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6050#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6071#L556 assume !(main_~val~0#1 < 0); 6070#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6069#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6068#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6067#L556 assume !(main_~val~0#1 < 0); 6066#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6065#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6064#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6063#L556 assume !(main_~val~0#1 < 0); 6062#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6061#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6059#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6060#L556 assume !(main_~val~0#1 < 0); 6103#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6102#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6101#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 6100#L554-4 main_~j~0#1 := 0; 6099#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6097#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6096#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6095#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6053#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6047#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6054#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6037#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6038#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6093#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6092#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6091#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6090#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6088#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6087#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6086#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6085#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6083#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6082#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6081#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6080#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6079#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6076#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6075#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6073#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6045#L562-3 [2022-11-18 20:38:04,374 INFO L750 eck$LassoCheckResult]: Loop: 6045#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6044#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 6045#L562-3 [2022-11-18 20:38:04,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:04,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1396913127, now seen corresponding path program 13 times [2022-11-18 20:38:04,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:04,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955376970] [2022-11-18 20:38:04,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:04,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:04,765 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:04,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:38:04,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955376970] [2022-11-18 20:38:04,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955376970] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:38:04,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953956986] [2022-11-18 20:38:04,766 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-18 20:38:04,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:38:04,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:04,767 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:38:04,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (107)] Waiting until timeout for monitored process [2022-11-18 20:38:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:04,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:38:04,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:05,170 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 66 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:05,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:38:05,375 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 66 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:05,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953956986] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:38:05,375 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:38:05,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 25 [2022-11-18 20:38:05,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141915065] [2022-11-18 20:38:05,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:38:05,377 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:38:05,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:05,377 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 13 times [2022-11-18 20:38:05,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:05,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777404461] [2022-11-18 20:38:05,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:05,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:05,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:38:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:05,389 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:38:05,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:38:05,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-18 20:38:05,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-11-18 20:38:05,425 INFO L87 Difference]: Start difference. First operand 72 states and 89 transitions. cyclomatic complexity: 26 Second operand has 26 states, 25 states have (on average 3.68) internal successors, (92), 26 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:05,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:38:05,713 INFO L93 Difference]: Finished difference Result 100 states and 122 transitions. [2022-11-18 20:38:05,713 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 122 transitions. [2022-11-18 20:38:05,714 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:38:05,715 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 68 states and 84 transitions. [2022-11-18 20:38:05,715 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:38:05,715 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:38:05,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 84 transitions. [2022-11-18 20:38:05,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:38:05,716 INFO L218 hiAutomatonCegarLoop]: Abstraction has 68 states and 84 transitions. [2022-11-18 20:38:05,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 84 transitions. [2022-11-18 20:38:05,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 65. [2022-11-18 20:38:05,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.2307692307692308) internal successors, (80), 64 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:05,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 80 transitions. [2022-11-18 20:38:05,719 INFO L240 hiAutomatonCegarLoop]: Abstraction has 65 states and 80 transitions. [2022-11-18 20:38:05,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 20:38:05,720 INFO L428 stractBuchiCegarLoop]: Abstraction has 65 states and 80 transitions. [2022-11-18 20:38:05,720 INFO L335 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2022-11-18 20:38:05,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 80 transitions. [2022-11-18 20:38:05,721 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:38:05,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:38:05,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:38:05,722 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 7, 7, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:38:05,722 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:38:05,722 INFO L748 eck$LassoCheckResult]: Stem: 6579#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6580#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 6586#L551 assume !(main_~length~0#1 < 1); 6595#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 6589#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 6590#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6581#L556 assume !(main_~val~0#1 < 0); 6582#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6583#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6596#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6597#L556 assume !(main_~val~0#1 < 0); 6643#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6642#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6641#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6640#L556 assume !(main_~val~0#1 < 0); 6639#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6638#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6637#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6636#L556 assume !(main_~val~0#1 < 0); 6635#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6634#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6633#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6632#L556 assume !(main_~val~0#1 < 0); 6631#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6630#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6629#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6628#L556 assume !(main_~val~0#1 < 0); 6627#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6626#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6625#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6606#L556 assume !(main_~val~0#1 < 0); 6609#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6607#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6605#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 6587#L554-4 main_~j~0#1 := 0; 6588#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6598#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6599#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6584#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6585#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6594#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6624#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6623#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6622#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6620#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6619#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6618#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6617#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6615#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6614#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6613#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6612#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6611#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6604#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6603#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6601#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 6592#L562-3 [2022-11-18 20:38:05,722 INFO L750 eck$LassoCheckResult]: Loop: 6592#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6591#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 6592#L562-3 [2022-11-18 20:38:05,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:05,723 INFO L85 PathProgramCache]: Analyzing trace with hash 886862091, now seen corresponding path program 14 times [2022-11-18 20:38:05,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:05,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999804048] [2022-11-18 20:38:05,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:05,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:05,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:38:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:05,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:38:05,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:05,798 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 14 times [2022-11-18 20:38:05,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:05,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813838316] [2022-11-18 20:38:05,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:05,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:05,808 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:38:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:05,812 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:38:05,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:05,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1870946384, now seen corresponding path program 7 times [2022-11-18 20:38:05,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:05,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701619445] [2022-11-18 20:38:05,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:05,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:05,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:38:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:05,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:38:09,232 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:38:09,232 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:38:09,232 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:38:09,232 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:38:09,232 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:38:09,233 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:09,233 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:38:09,233 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:38:09,233 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration17_Lasso [2022-11-18 20:38:09,233 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:38:09,233 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:38:09,236 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:09,238 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:09,240 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:09,242 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:09,244 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:09,246 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:09,248 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:09,250 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:09,252 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:09,254 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:09,256 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:09,259 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:09,261 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:09,263 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:10,436 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:38:10,437 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:38:10,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:10,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,443 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:10,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2022-11-18 20:38:10,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:10,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:10,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:10,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:10,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:10,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:10,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:10,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:10,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:10,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2022-11-18 20:38:10,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:10,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,465 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:10,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2022-11-18 20:38:10,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:10,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:10,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:10,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:10,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:10,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:10,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:10,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:10,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:10,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2022-11-18 20:38:10,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:10,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,484 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:10,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2022-11-18 20:38:10,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:10,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:10,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:10,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:10,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:10,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:10,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:10,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:10,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:10,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:10,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,507 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:10,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2022-11-18 20:38:10,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:10,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:10,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:10,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:10,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:10,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:10,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:10,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:10,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:10,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:10,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:10,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,527 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:10,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2022-11-18 20:38:10,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:10,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:10,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:10,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:10,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:10,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:10,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:10,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:10,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:10,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:10,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:10,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,547 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:10,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2022-11-18 20:38:10,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:10,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:10,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:10,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:10,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:10,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:10,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:10,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:10,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:10,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2022-11-18 20:38:10,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:10,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,567 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:10,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2022-11-18 20:38:10,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:10,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:10,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:10,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:10,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:10,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:10,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:10,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:10,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:10,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:10,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,590 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:10,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2022-11-18 20:38:10,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:10,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:10,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:10,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:10,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:10,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:10,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:10,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:10,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:10,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:10,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:10,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,610 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:10,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2022-11-18 20:38:10,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:10,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:10,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:10,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:10,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:10,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:10,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:10,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:10,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:10,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:10,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:10,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,630 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:10,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2022-11-18 20:38:10,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:10,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:10,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:10,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:10,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:10,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:10,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:10,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:10,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:10,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:10,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,653 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:10,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2022-11-18 20:38:10,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:10,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:10,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:10,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:10,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:10,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:10,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:10,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:10,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2022-11-18 20:38:10,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:10,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,676 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:10,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2022-11-18 20:38:10,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:10,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:10,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:10,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:10,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:10,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:10,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:10,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:10,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:10,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:10,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:10,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,696 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:10,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2022-11-18 20:38:10,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:10,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:10,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:10,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:10,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:10,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:10,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:10,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:10,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2022-11-18 20:38:10,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:10,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,724 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:10,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2022-11-18 20:38:10,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:10,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:10,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:10,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:10,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:10,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:10,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:10,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:10,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:10,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:10,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,751 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:10,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2022-11-18 20:38:10,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:10,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:10,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:10,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:10,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:10,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:10,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:10,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:10,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2022-11-18 20:38:10,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:10,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,778 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:10,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2022-11-18 20:38:10,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:10,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:10,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:10,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:10,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:10,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:10,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:10,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:10,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:10,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:10,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,806 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:10,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2022-11-18 20:38:10,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:10,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:10,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:10,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:10,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:10,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:10,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:10,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:10,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:10,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:10,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,830 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:10,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2022-11-18 20:38:10,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:10,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:10,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:10,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:10,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:10,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:10,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:10,855 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:38:10,865 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-18 20:38:10,865 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-18 20:38:10,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:10,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:10,866 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:10,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2022-11-18 20:38:10,869 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:38:10,881 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:38:10,881 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:38:10,881 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 20))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 20))_1 Supporting invariants [] [2022-11-18 20:38:10,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:10,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:10,945 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2022-11-18 20:38:10,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:11,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 20:38:11,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:11,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:38:11,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:11,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:11,243 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2022-11-18 20:38:11,244 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23 Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:11,276 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 66 states and 82 transitions. Complement of second has 4 states. [2022-11-18 20:38:11,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:38:11,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:11,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:38:11,281 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 56 letters. Loop has 2 letters. [2022-11-18 20:38:11,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:11,281 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:38:11,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:11,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 20:38:11,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:11,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:38:11,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:11,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:11,552 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.7 stem predicates 2 loop predicates [2022-11-18 20:38:11,552 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23 Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:11,580 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 66 states and 82 transitions. Complement of second has 4 states. [2022-11-18 20:38:11,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:38:11,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:11,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:38:11,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 56 letters. Loop has 2 letters. [2022-11-18 20:38:11,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:11,582 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:38:11,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:11,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 20:38:11,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:11,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:38:11,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:11,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:11,880 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2022-11-18 20:38:11,880 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23 Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:12,056 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 84 states and 107 transitions. Complement of second has 18 states. [2022-11-18 20:38:12,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 7 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:38:12,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:12,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 57 transitions. [2022-11-18 20:38:12,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 57 transitions. Stem has 56 letters. Loop has 2 letters. [2022-11-18 20:38:12,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:12,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 57 transitions. Stem has 58 letters. Loop has 2 letters. [2022-11-18 20:38:12,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:12,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 57 transitions. Stem has 56 letters. Loop has 4 letters. [2022-11-18 20:38:12,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:12,059 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 107 transitions. [2022-11-18 20:38:12,060 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:38:12,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 79 states and 100 transitions. [2022-11-18 20:38:12,061 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:38:12,061 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-18 20:38:12,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 100 transitions. [2022-11-18 20:38:12,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:38:12,061 INFO L218 hiAutomatonCegarLoop]: Abstraction has 79 states and 100 transitions. [2022-11-18 20:38:12,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 100 transitions. [2022-11-18 20:38:12,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 70. [2022-11-18 20:38:12,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 69 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:12,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 86 transitions. [2022-11-18 20:38:12,065 INFO L240 hiAutomatonCegarLoop]: Abstraction has 70 states and 86 transitions. [2022-11-18 20:38:12,065 INFO L428 stractBuchiCegarLoop]: Abstraction has 70 states and 86 transitions. [2022-11-18 20:38:12,065 INFO L335 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2022-11-18 20:38:12,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 86 transitions. [2022-11-18 20:38:12,066 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:38:12,066 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:38:12,066 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:38:12,067 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 7, 7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:38:12,067 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:38:12,067 INFO L748 eck$LassoCheckResult]: Stem: 7501#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7502#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 7508#L551 assume !(main_~length~0#1 < 1); 7517#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 7511#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 7512#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7520#L556 assume !(main_~val~0#1 < 0); 7545#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7518#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7519#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7503#L556 assume !(main_~val~0#1 < 0); 7504#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7505#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7544#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7543#L556 assume !(main_~val~0#1 < 0); 7542#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7541#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7540#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7539#L556 assume !(main_~val~0#1 < 0); 7538#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7537#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7536#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7535#L556 assume !(main_~val~0#1 < 0); 7534#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7533#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7532#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7531#L556 assume !(main_~val~0#1 < 0); 7530#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7529#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7528#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7525#L556 assume !(main_~val~0#1 < 0); 7527#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7526#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7524#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 7509#L554-4 main_~j~0#1 := 0; 7510#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 7521#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7569#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7568#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7522#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 7516#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7523#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7506#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7507#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 7566#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7565#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7564#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7563#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 7561#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7560#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7559#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7558#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 7556#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7555#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7554#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7553#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 7552#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7549#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7548#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7546#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 7514#L562-3 [2022-11-18 20:38:12,067 INFO L750 eck$LassoCheckResult]: Loop: 7514#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7513#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 7514#L562-3 [2022-11-18 20:38:12,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:12,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1611822112, now seen corresponding path program 15 times [2022-11-18 20:38:12,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:12,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130352473] [2022-11-18 20:38:12,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:12,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:12,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:38:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:12,125 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:38:12,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:12,126 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 15 times [2022-11-18 20:38:12,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:12,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336708322] [2022-11-18 20:38:12,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:12,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:12,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:38:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:12,135 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:38:12,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:12,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1522145765, now seen corresponding path program 8 times [2022-11-18 20:38:12,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:12,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071644944] [2022-11-18 20:38:12,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:12,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:12,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:38:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:12,200 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:38:16,161 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:38:16,161 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:38:16,161 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:38:16,161 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:38:16,161 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:38:16,161 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:16,161 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:38:16,161 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:38:16,161 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration18_Lasso [2022-11-18 20:38:16,161 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:38:16,162 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:38:16,164 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:16,166 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:16,168 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:16,171 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:16,173 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:16,176 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:16,177 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:17,556 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:17,559 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:17,562 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:17,565 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:17,568 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:17,570 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:17,573 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:18,209 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:38:18,210 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:38:18,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:18,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:18,211 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:18,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2022-11-18 20:38:18,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:18,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:18,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:18,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:18,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:18,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:18,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:18,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:18,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:18,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:18,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:18,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:18,230 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:18,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2022-11-18 20:38:18,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:18,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:18,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:18,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:18,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:18,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:18,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:18,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:18,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:18,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:18,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:18,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:18,252 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:18,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2022-11-18 20:38:18,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:18,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:18,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:18,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:18,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:18,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:18,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:18,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:18,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:18,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:18,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:18,296 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:18,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2022-11-18 20:38:18,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:18,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:18,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:18,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:18,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:18,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:18,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:18,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:18,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:18,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:18,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:18,319 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:18,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2022-11-18 20:38:18,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:18,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:18,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:18,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:18,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:18,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:18,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:18,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:18,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2022-11-18 20:38:18,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:18,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:18,343 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:18,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2022-11-18 20:38:18,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:18,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:18,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:18,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:18,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:18,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:18,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:18,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:18,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:18,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:18,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:18,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:18,366 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:18,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2022-11-18 20:38:18,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:18,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:18,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:18,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:18,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:18,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:18,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:18,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:18,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2022-11-18 20:38:18,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:18,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:18,403 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:18,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2022-11-18 20:38:18,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:18,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:18,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:18,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:18,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:18,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:18,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:18,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:18,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:18,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:18,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:18,432 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:18,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2022-11-18 20:38:18,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:18,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:18,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:18,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:18,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:18,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:18,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:18,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:18,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2022-11-18 20:38:18,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:18,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:18,456 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:18,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2022-11-18 20:38:18,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:18,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:18,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:18,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:18,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:18,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:18,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:18,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:18,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2022-11-18 20:38:18,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:18,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:18,485 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:18,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2022-11-18 20:38:18,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:18,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:18,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:18,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:18,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:18,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:18,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:18,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:18,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2022-11-18 20:38:18,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:18,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:18,515 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:18,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2022-11-18 20:38:18,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:18,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:18,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:18,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:18,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:18,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:18,534 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:18,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:18,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:18,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:18,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:18,545 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:18,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2022-11-18 20:38:18,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:18,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:18,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:18,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:18,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:18,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:18,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:18,573 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:38:18,590 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2022-11-18 20:38:18,590 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-18 20:38:18,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:18,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:18,591 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:18,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2022-11-18 20:38:18,594 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:38:18,606 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:38:18,606 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:38:18,606 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_4 Supporting invariants [] [2022-11-18 20:38:18,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:18,745 INFO L156 tatePredicateManager]: 28 out of 29 supporting invariants were superfluous and have been removed [2022-11-18 20:38:18,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:18,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-18 20:38:18,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:19,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:38:19,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:19,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:19,414 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-18 20:38:19,414 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25 Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:19,613 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25. Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 80 states and 100 transitions. Complement of second has 12 states. [2022-11-18 20:38:19,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 10 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:38:19,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:19,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 56 transitions. [2022-11-18 20:38:19,616 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 56 transitions. Stem has 60 letters. Loop has 2 letters. [2022-11-18 20:38:19,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:19,617 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:38:19,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:19,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-18 20:38:19,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:20,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:38:20,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:20,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:20,335 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-18 20:38:20,335 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25 Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:20,579 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25. Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 80 states and 100 transitions. Complement of second has 12 states. [2022-11-18 20:38:20,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 10 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:38:20,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:20,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 56 transitions. [2022-11-18 20:38:20,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 56 transitions. Stem has 60 letters. Loop has 2 letters. [2022-11-18 20:38:20,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:20,581 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:38:20,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:20,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:20,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-18 20:38:20,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:21,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:38:21,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:21,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:21,250 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-18 20:38:21,250 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25 Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:21,740 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25. Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 142 states and 184 transitions. Complement of second has 29 states. [2022-11-18 20:38:21,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 20 states 16 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:38:21,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:21,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 111 transitions. [2022-11-18 20:38:21,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 60 letters. Loop has 2 letters. [2022-11-18 20:38:21,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:21,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 62 letters. Loop has 2 letters. [2022-11-18 20:38:21,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:21,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 60 letters. Loop has 4 letters. [2022-11-18 20:38:21,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:21,743 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 184 transitions. [2022-11-18 20:38:21,744 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 20:38:21,745 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 137 states and 177 transitions. [2022-11-18 20:38:21,745 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-18 20:38:21,745 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-18 20:38:21,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 177 transitions. [2022-11-18 20:38:21,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:38:21,746 INFO L218 hiAutomatonCegarLoop]: Abstraction has 137 states and 177 transitions. [2022-11-18 20:38:21,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 177 transitions. [2022-11-18 20:38:21,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 81. [2022-11-18 20:38:21,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 81 states have (on average 1.2345679012345678) internal successors, (100), 80 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:21,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 100 transitions. [2022-11-18 20:38:21,750 INFO L240 hiAutomatonCegarLoop]: Abstraction has 81 states and 100 transitions. [2022-11-18 20:38:21,750 INFO L428 stractBuchiCegarLoop]: Abstraction has 81 states and 100 transitions. [2022-11-18 20:38:21,750 INFO L335 stractBuchiCegarLoop]: ======== Iteration 19 ============ [2022-11-18 20:38:21,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states and 100 transitions. [2022-11-18 20:38:21,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:38:21,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:38:21,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:38:21,752 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:38:21,752 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:38:21,753 INFO L748 eck$LassoCheckResult]: Stem: 8704#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8705#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 8711#L551 assume !(main_~length~0#1 < 1); 8716#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 8714#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 8715#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8706#L556 assume !(main_~val~0#1 < 0); 8707#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8708#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8723#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8724#L556 assume !(main_~val~0#1 < 0); 8748#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8721#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8722#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8747#L556 assume !(main_~val~0#1 < 0); 8746#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8745#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8744#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8743#L556 assume !(main_~val~0#1 < 0); 8742#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8741#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8740#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8739#L556 assume !(main_~val~0#1 < 0); 8738#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8737#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8736#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8735#L556 assume !(main_~val~0#1 < 0); 8734#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8733#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8731#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8732#L556 assume !(main_~val~0#1 < 0); 8784#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8783#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8782#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 8781#L554-4 main_~j~0#1 := 0; 8780#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 8778#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8777#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8776#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8725#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 8720#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8726#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8709#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8710#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 8774#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8773#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8772#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8771#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 8769#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8768#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8767#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8766#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 8764#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8763#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8762#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8761#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 8759#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8758#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8757#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8756#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 8755#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8752#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8751#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8749#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 8718#L562-3 [2022-11-18 20:38:21,753 INFO L750 eck$LassoCheckResult]: Loop: 8718#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8717#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 8718#L562-3 [2022-11-18 20:38:21,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:21,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1801767883, now seen corresponding path program 16 times [2022-11-18 20:38:21,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:21,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695276836] [2022-11-18 20:38:21,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:21,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:22,158 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 66 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:22,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:38:22,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695276836] [2022-11-18 20:38:22,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695276836] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:38:22,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006174983] [2022-11-18 20:38:22,159 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 20:38:22,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:38:22,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:22,161 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:38:22,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (141)] Waiting until timeout for monitored process [2022-11-18 20:38:22,302 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 20:38:22,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:38:22,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-18 20:38:22,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:22,648 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 91 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:22,648 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:38:22,933 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 91 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:22,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006174983] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:38:22,934 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:38:22,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 28 [2022-11-18 20:38:22,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143915852] [2022-11-18 20:38:22,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:38:22,935 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:38:22,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:22,935 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 16 times [2022-11-18 20:38:22,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:22,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28645634] [2022-11-18 20:38:22,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:22,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:22,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:38:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:22,944 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:38:22,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:38:22,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-18 20:38:22,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2022-11-18 20:38:22,987 INFO L87 Difference]: Start difference. First operand 81 states and 100 transitions. cyclomatic complexity: 29 Second operand has 29 states, 28 states have (on average 3.7142857142857144) internal successors, (104), 29 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:23,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:38:23,368 INFO L93 Difference]: Finished difference Result 114 states and 139 transitions. [2022-11-18 20:38:23,368 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 139 transitions. [2022-11-18 20:38:23,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:38:23,369 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 77 states and 95 transitions. [2022-11-18 20:38:23,369 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:38:23,369 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:38:23,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 95 transitions. [2022-11-18 20:38:23,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:38:23,370 INFO L218 hiAutomatonCegarLoop]: Abstraction has 77 states and 95 transitions. [2022-11-18 20:38:23,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 95 transitions. [2022-11-18 20:38:23,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2022-11-18 20:38:23,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 74 states have (on average 1.2297297297297298) internal successors, (91), 73 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:23,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 91 transitions. [2022-11-18 20:38:23,372 INFO L240 hiAutomatonCegarLoop]: Abstraction has 74 states and 91 transitions. [2022-11-18 20:38:23,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 20:38:23,373 INFO L428 stractBuchiCegarLoop]: Abstraction has 74 states and 91 transitions. [2022-11-18 20:38:23,373 INFO L335 stractBuchiCegarLoop]: ======== Iteration 20 ============ [2022-11-18 20:38:23,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 91 transitions. [2022-11-18 20:38:23,374 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:38:23,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:38:23,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:38:23,374 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 8, 8, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:38:23,375 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:38:23,375 INFO L748 eck$LassoCheckResult]: Stem: 9327#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9328#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 9336#L551 assume !(main_~length~0#1 < 1); 9343#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 9337#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 9338#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9329#L556 assume !(main_~val~0#1 < 0); 9330#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9331#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9344#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9345#L556 assume !(main_~val~0#1 < 0); 9400#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9399#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9398#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9397#L556 assume !(main_~val~0#1 < 0); 9396#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9395#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9394#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9393#L556 assume !(main_~val~0#1 < 0); 9392#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9391#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9390#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9389#L556 assume !(main_~val~0#1 < 0); 9388#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9387#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9386#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9385#L556 assume !(main_~val~0#1 < 0); 9384#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9383#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9382#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9381#L556 assume !(main_~val~0#1 < 0); 9380#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9379#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9378#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9350#L556 assume !(main_~val~0#1 < 0); 9356#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9353#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9349#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 9334#L554-4 main_~j~0#1 := 0; 9335#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 9346#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9376#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9375#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9347#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 9342#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9348#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9332#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9333#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 9373#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9372#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9371#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9370#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 9368#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9367#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9366#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9365#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 9363#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9362#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9361#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9360#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 9359#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9355#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9354#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9351#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 9340#L562-3 [2022-11-18 20:38:23,375 INFO L750 eck$LassoCheckResult]: Loop: 9340#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9339#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 9340#L562-3 [2022-11-18 20:38:23,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:23,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1598635865, now seen corresponding path program 17 times [2022-11-18 20:38:23,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:23,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014153407] [2022-11-18 20:38:23,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:23,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:23,406 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:38:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:23,434 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:38:23,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:23,434 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 17 times [2022-11-18 20:38:23,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:23,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390027054] [2022-11-18 20:38:23,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:23,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:23,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:38:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:23,442 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:38:23,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:23,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1309224162, now seen corresponding path program 9 times [2022-11-18 20:38:23,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:23,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923966946] [2022-11-18 20:38:23,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:23,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:23,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:38:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:23,531 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:38:29,099 WARN L233 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 291 DAG size of output: 223 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:38:29,545 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:38:29,545 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:38:29,546 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:38:29,546 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:38:29,546 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:38:29,546 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:29,546 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:38:29,546 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:38:29,546 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration20_Lasso [2022-11-18 20:38:29,546 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:38:29,546 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:38:29,549 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:29,551 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:29,554 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:29,556 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:29,567 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:29,570 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:29,572 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:29,575 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:29,577 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:29,580 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:29,582 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:29,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:29,586 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:29,588 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:31,003 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:38:31,003 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:38:31,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,006 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2022-11-18 20:38:31,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:31,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:31,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:31,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2022-11-18 20:38:31,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,026 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2022-11-18 20:38:31,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:31,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:31,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2022-11-18 20:38:31,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,064 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2022-11-18 20:38:31,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:31,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:31,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:31,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,088 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2022-11-18 20:38:31,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:31,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:31,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:31,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2022-11-18 20:38:31,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,109 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2022-11-18 20:38:31,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:31,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:31,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2022-11-18 20:38:31,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,132 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2022-11-18 20:38:31,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:31,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:31,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:31,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2022-11-18 20:38:31,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,152 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2022-11-18 20:38:31,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:31,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:31,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:31,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2022-11-18 20:38:31,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,173 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2022-11-18 20:38:31,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:31,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:31,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:31,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,197 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2022-11-18 20:38:31,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:31,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:31,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:31,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2022-11-18 20:38:31,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,217 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2022-11-18 20:38:31,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:31,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:31,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2022-11-18 20:38:31,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,242 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2022-11-18 20:38:31,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:31,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:31,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:31,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2022-11-18 20:38:31,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,264 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2022-11-18 20:38:31,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:31,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:31,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:31,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:31,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,285 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2022-11-18 20:38:31,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:31,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:31,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:31,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2022-11-18 20:38:31,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,328 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2022-11-18 20:38:31,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:31,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:31,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2022-11-18 20:38:31,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,352 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2022-11-18 20:38:31,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:31,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:31,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2022-11-18 20:38:31,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,383 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2022-11-18 20:38:31,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,404 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:31,404 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:31,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2022-11-18 20:38:31,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,419 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2022-11-18 20:38:31,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:31,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:31,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2022-11-18 20:38:31,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,448 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2022-11-18 20:38:31,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:31,464 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:31,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2022-11-18 20:38:31,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,474 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2022-11-18 20:38:31,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:31,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:31,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2022-11-18 20:38:31,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,502 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2022-11-18 20:38:31,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,519 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:31,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:31,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2022-11-18 20:38:31,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,530 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2022-11-18 20:38:31,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:31,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:31,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:31,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2022-11-18 20:38:31,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,554 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2022-11-18 20:38:31,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:31,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:31,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:31,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:31,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:31,572 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:31,572 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:31,581 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:38:31,589 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-18 20:38:31,589 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-18 20:38:31,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:31,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:31,591 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:31,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2022-11-18 20:38:31,593 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:38:31,606 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:38:31,606 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:38:31,606 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 24))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 24))_2 Supporting invariants [] [2022-11-18 20:38:31,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2022-11-18 20:38:31,654 INFO L156 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2022-11-18 20:38:31,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:31,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:38:31,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:31,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:31,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:38:31,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:31,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:31,975 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-18 20:38:31,975 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26 Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:32,014 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 75 states and 93 transitions. Complement of second has 4 states. [2022-11-18 20:38:32,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:38:32,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:32,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:38:32,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 64 letters. Loop has 2 letters. [2022-11-18 20:38:32,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:32,016 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:38:32,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:32,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:38:32,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:32,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:38:32,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:32,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:32,319 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-18 20:38:32,319 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26 Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:32,346 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 75 states and 93 transitions. Complement of second has 4 states. [2022-11-18 20:38:32,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:38:32,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:32,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:38:32,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 64 letters. Loop has 2 letters. [2022-11-18 20:38:32,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:32,348 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:38:32,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:32,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 20:38:32,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:32,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:38:32,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:32,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:32,653 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-18 20:38:32,653 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26 Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:32,862 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 94 states and 120 transitions. Complement of second has 20 states. [2022-11-18 20:38:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:38:32,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:32,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 63 transitions. [2022-11-18 20:38:32,864 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 63 transitions. Stem has 64 letters. Loop has 2 letters. [2022-11-18 20:38:32,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:32,864 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 63 transitions. Stem has 66 letters. Loop has 2 letters. [2022-11-18 20:38:32,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:32,864 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 63 transitions. Stem has 64 letters. Loop has 4 letters. [2022-11-18 20:38:32,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:32,865 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 120 transitions. [2022-11-18 20:38:32,865 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:38:32,866 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 89 states and 113 transitions. [2022-11-18 20:38:32,866 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:38:32,866 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-18 20:38:32,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 113 transitions. [2022-11-18 20:38:32,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:38:32,867 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 113 transitions. [2022-11-18 20:38:32,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 113 transitions. [2022-11-18 20:38:32,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 79. [2022-11-18 20:38:32,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 78 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:32,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 97 transitions. [2022-11-18 20:38:32,869 INFO L240 hiAutomatonCegarLoop]: Abstraction has 79 states and 97 transitions. [2022-11-18 20:38:32,869 INFO L428 stractBuchiCegarLoop]: Abstraction has 79 states and 97 transitions. [2022-11-18 20:38:32,869 INFO L335 stractBuchiCegarLoop]: ======== Iteration 21 ============ [2022-11-18 20:38:32,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 79 states and 97 transitions. [2022-11-18 20:38:32,869 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:38:32,869 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:38:32,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:38:32,870 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 8, 8, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:38:32,870 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:38:32,870 INFO L748 eck$LassoCheckResult]: Stem: 10376#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10377#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 10383#L551 assume !(main_~length~0#1 < 1); 10392#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 10386#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 10387#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10395#L556 assume !(main_~val~0#1 < 0); 10424#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10393#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10394#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10378#L556 assume !(main_~val~0#1 < 0); 10379#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10380#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10423#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10422#L556 assume !(main_~val~0#1 < 0); 10421#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10420#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10419#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10418#L556 assume !(main_~val~0#1 < 0); 10417#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10416#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10415#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10414#L556 assume !(main_~val~0#1 < 0); 10413#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10412#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10411#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10410#L556 assume !(main_~val~0#1 < 0); 10409#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10408#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10407#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10406#L556 assume !(main_~val~0#1 < 0); 10405#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10404#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10403#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10400#L556 assume !(main_~val~0#1 < 0); 10402#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10401#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10399#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 10384#L554-4 main_~j~0#1 := 0; 10385#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 10396#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10453#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10452#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10397#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 10391#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10398#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10381#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10382#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 10450#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10449#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10448#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10447#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 10445#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10444#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10443#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10442#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 10440#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10439#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10438#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10437#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 10435#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10434#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10433#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10432#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 10431#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10428#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10427#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10425#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 10389#L562-3 [2022-11-18 20:38:32,871 INFO L750 eck$LassoCheckResult]: Loop: 10389#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10388#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 10389#L562-3 [2022-11-18 20:38:32,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:32,874 INFO L85 PathProgramCache]: Analyzing trace with hash 260997934, now seen corresponding path program 18 times [2022-11-18 20:38:32,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:32,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922696261] [2022-11-18 20:38:32,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:32,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:32,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:38:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:32,961 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:38:32,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:32,962 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 18 times [2022-11-18 20:38:32,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:32,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88334663] [2022-11-18 20:38:32,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:32,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:32,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:38:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:32,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:38:32,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:32,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1710912947, now seen corresponding path program 10 times [2022-11-18 20:38:32,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:32,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463726643] [2022-11-18 20:38:32,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:32,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:33,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:38:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:33,065 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:38:38,517 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:38:38,518 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:38:38,518 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:38:38,518 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:38:38,518 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:38:38,518 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:38,518 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:38:38,518 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:38:38,518 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration21_Lasso [2022-11-18 20:38:38,518 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:38:38,518 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:38:38,521 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:38,529 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:38,532 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:38,534 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:38,537 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:38,539 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:38,541 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:40,176 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:40,178 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:40,180 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:40,182 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:40,184 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:40,186 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:40,189 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:40,900 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:38:40,901 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:38:40,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:40,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:40,902 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:40,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2022-11-18 20:38:40,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:40,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:40,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:40,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:40,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:40,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:40,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:40,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:40,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:40,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2022-11-18 20:38:40,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:40,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:40,925 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:40,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2022-11-18 20:38:40,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:40,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:40,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:40,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:40,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:40,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:40,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:40,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:40,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2022-11-18 20:38:40,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:40,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:40,950 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:40,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2022-11-18 20:38:40,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:40,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:40,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:40,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:40,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:40,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:40,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:40,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:40,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:40,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:40,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:40,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:40,971 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:40,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2022-11-18 20:38:40,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:40,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:40,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:40,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:40,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:40,987 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:40,987 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:40,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:40,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2022-11-18 20:38:40,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:40,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:40,996 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:40,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2022-11-18 20:38:40,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:41,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:41,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:41,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:41,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:41,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:41,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:41,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:41,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:41,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:41,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:41,021 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:41,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2022-11-18 20:38:41,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:41,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:41,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:41,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:41,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:41,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:41,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:41,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:41,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:41,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Ended with exit code 0 [2022-11-18 20:38:41,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:41,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:41,043 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:41,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2022-11-18 20:38:41,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:41,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:41,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:41,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:41,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:41,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:41,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:41,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:41,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Ended with exit code 0 [2022-11-18 20:38:41,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:41,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:41,074 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:41,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2022-11-18 20:38:41,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:41,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:41,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:41,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:41,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:41,094 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:41,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:41,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:41,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Ended with exit code 0 [2022-11-18 20:38:41,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:41,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:41,106 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:41,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2022-11-18 20:38:41,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:41,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:41,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:41,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:41,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:41,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:41,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:41,134 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:38:41,148 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-18 20:38:41,148 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-18 20:38:41,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:41,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:41,150 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:41,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2022-11-18 20:38:41,152 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:38:41,165 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:38:41,165 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:38:41,165 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_5) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_5 Supporting invariants [] [2022-11-18 20:38:41,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:41,311 INFO L156 tatePredicateManager]: 32 out of 33 supporting invariants were superfluous and have been removed [2022-11-18 20:38:41,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:41,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-18 20:38:41,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:42,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:38:42,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:42,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:42,088 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.18 stem predicates 2 loop predicates [2022-11-18 20:38:42,088 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28 Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:42,451 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28. Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 89 states and 111 transitions. Complement of second has 13 states. [2022-11-18 20:38:42,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 11 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:38:42,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:42,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 61 transitions. [2022-11-18 20:38:42,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 61 transitions. Stem has 68 letters. Loop has 2 letters. [2022-11-18 20:38:42,453 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:42,453 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:38:42,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:42,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-18 20:38:42,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:42,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:43,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:38:43,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:43,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:43,162 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.18 stem predicates 2 loop predicates [2022-11-18 20:38:43,162 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28 Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:43,463 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28. Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 89 states and 111 transitions. Complement of second has 13 states. [2022-11-18 20:38:43,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 11 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:38:43,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:43,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 61 transitions. [2022-11-18 20:38:43,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 61 transitions. Stem has 68 letters. Loop has 2 letters. [2022-11-18 20:38:43,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:43,465 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:38:43,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:43,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-18 20:38:43,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:44,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:38:44,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:44,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:44,174 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.18 stem predicates 2 loop predicates [2022-11-18 20:38:44,174 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28 Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:44,736 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28. Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 158 states and 205 transitions. Complement of second has 32 states. [2022-11-18 20:38:44,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 22 states 18 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:38:44,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:44,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 122 transitions. [2022-11-18 20:38:44,740 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 122 transitions. Stem has 68 letters. Loop has 2 letters. [2022-11-18 20:38:44,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:44,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 122 transitions. Stem has 70 letters. Loop has 2 letters. [2022-11-18 20:38:44,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:44,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 122 transitions. Stem has 68 letters. Loop has 4 letters. [2022-11-18 20:38:44,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:44,742 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 158 states and 205 transitions. [2022-11-18 20:38:44,743 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 20:38:44,744 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 158 states to 153 states and 198 transitions. [2022-11-18 20:38:44,745 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-18 20:38:44,745 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-18 20:38:44,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 153 states and 198 transitions. [2022-11-18 20:38:44,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:38:44,746 INFO L218 hiAutomatonCegarLoop]: Abstraction has 153 states and 198 transitions. [2022-11-18 20:38:44,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states and 198 transitions. [2022-11-18 20:38:44,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 90. [2022-11-18 20:38:44,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 90 states have (on average 1.2333333333333334) internal successors, (111), 89 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:44,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 111 transitions. [2022-11-18 20:38:44,754 INFO L240 hiAutomatonCegarLoop]: Abstraction has 90 states and 111 transitions. [2022-11-18 20:38:44,754 INFO L428 stractBuchiCegarLoop]: Abstraction has 90 states and 111 transitions. [2022-11-18 20:38:44,754 INFO L335 stractBuchiCegarLoop]: ======== Iteration 22 ============ [2022-11-18 20:38:44,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 111 transitions. [2022-11-18 20:38:44,755 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:38:44,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:38:44,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:38:44,757 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:38:44,757 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:38:44,757 INFO L748 eck$LassoCheckResult]: Stem: 11725#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11726#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 11734#L551 assume !(main_~length~0#1 < 1); 11741#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 11735#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 11736#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11727#L556 assume !(main_~val~0#1 < 0); 11728#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11729#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11744#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11745#L556 assume !(main_~val~0#1 < 0); 11773#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11742#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11743#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11772#L556 assume !(main_~val~0#1 < 0); 11771#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11770#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11769#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11768#L556 assume !(main_~val~0#1 < 0); 11767#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11766#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11765#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11764#L556 assume !(main_~val~0#1 < 0); 11763#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11762#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11761#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11760#L556 assume !(main_~val~0#1 < 0); 11759#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11758#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11757#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11756#L556 assume !(main_~val~0#1 < 0); 11755#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11754#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11752#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11753#L556 assume !(main_~val~0#1 < 0); 11814#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11813#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11812#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 11811#L554-4 main_~j~0#1 := 0; 11810#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 11808#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11807#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11806#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11746#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 11740#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11747#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11730#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11731#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 11804#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11803#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11802#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11801#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 11799#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11798#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11797#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11796#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 11794#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11793#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11792#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11791#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 11789#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11788#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11787#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11786#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 11784#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11783#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11782#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11781#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 11780#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11777#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11776#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11774#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 11738#L562-3 [2022-11-18 20:38:44,757 INFO L750 eck$LassoCheckResult]: Loop: 11738#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11737#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 11738#L562-3 [2022-11-18 20:38:44,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:44,758 INFO L85 PathProgramCache]: Analyzing trace with hash -785132413, now seen corresponding path program 19 times [2022-11-18 20:38:44,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:44,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012348224] [2022-11-18 20:38:44,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:44,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:45,294 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 91 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:45,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:38:45,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012348224] [2022-11-18 20:38:45,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012348224] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:38:45,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904699411] [2022-11-18 20:38:45,295 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-18 20:38:45,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:38:45,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:45,297 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:38:45,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (175)] Waiting until timeout for monitored process [2022-11-18 20:38:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:45,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-18 20:38:45,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:45,930 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 120 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:45,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:38:46,259 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 120 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:46,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904699411] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:38:46,259 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:38:46,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 31 [2022-11-18 20:38:46,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600401686] [2022-11-18 20:38:46,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:38:46,260 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:38:46,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:46,261 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 19 times [2022-11-18 20:38:46,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:46,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658791619] [2022-11-18 20:38:46,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:46,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:46,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:38:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:46,270 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:38:46,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:38:46,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-18 20:38:46,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=757, Unknown=0, NotChecked=0, Total=992 [2022-11-18 20:38:46,314 INFO L87 Difference]: Start difference. First operand 90 states and 111 transitions. cyclomatic complexity: 32 Second operand has 32 states, 31 states have (on average 3.7419354838709675) internal successors, (116), 32 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:46,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:38:46,688 INFO L93 Difference]: Finished difference Result 128 states and 156 transitions. [2022-11-18 20:38:46,688 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 128 states and 156 transitions. [2022-11-18 20:38:46,689 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:38:46,689 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 128 states to 86 states and 106 transitions. [2022-11-18 20:38:46,689 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:38:46,689 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:38:46,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 106 transitions. [2022-11-18 20:38:46,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:38:46,689 INFO L218 hiAutomatonCegarLoop]: Abstraction has 86 states and 106 transitions. [2022-11-18 20:38:46,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 106 transitions. [2022-11-18 20:38:46,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2022-11-18 20:38:46,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 1.2289156626506024) internal successors, (102), 82 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:46,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 102 transitions. [2022-11-18 20:38:46,692 INFO L240 hiAutomatonCegarLoop]: Abstraction has 83 states and 102 transitions. [2022-11-18 20:38:46,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 20:38:46,693 INFO L428 stractBuchiCegarLoop]: Abstraction has 83 states and 102 transitions. [2022-11-18 20:38:46,693 INFO L335 stractBuchiCegarLoop]: ======== Iteration 23 ============ [2022-11-18 20:38:46,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 102 transitions. [2022-11-18 20:38:46,694 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:38:46,694 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:38:46,694 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:38:46,695 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 9, 9, 9, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:38:46,695 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:38:46,695 INFO L748 eck$LassoCheckResult]: Stem: 12424#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 12425#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 12433#L551 assume !(main_~length~0#1 < 1); 12440#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 12434#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 12435#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12426#L556 assume !(main_~val~0#1 < 0); 12427#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12428#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12441#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12442#L556 assume !(main_~val~0#1 < 0); 12506#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12505#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12504#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12503#L556 assume !(main_~val~0#1 < 0); 12502#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12501#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12500#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12499#L556 assume !(main_~val~0#1 < 0); 12498#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12497#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12496#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12495#L556 assume !(main_~val~0#1 < 0); 12494#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12493#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12492#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12491#L556 assume !(main_~val~0#1 < 0); 12490#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12489#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12488#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12487#L556 assume !(main_~val~0#1 < 0); 12486#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12485#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12484#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12483#L556 assume !(main_~val~0#1 < 0); 12482#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12481#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12480#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12447#L556 assume !(main_~val~0#1 < 0); 12453#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12450#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12446#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 12431#L554-4 main_~j~0#1 := 0; 12432#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 12443#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12478#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12477#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12444#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 12439#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12445#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12429#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12430#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 12475#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12474#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12473#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12472#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 12470#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12469#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12468#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12467#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 12465#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12464#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12463#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12462#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 12460#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12459#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12458#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12457#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 12456#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12452#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12451#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12448#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 12437#L562-3 [2022-11-18 20:38:46,696 INFO L750 eck$LassoCheckResult]: Loop: 12437#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12436#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 12437#L562-3 [2022-11-18 20:38:46,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:46,696 INFO L85 PathProgramCache]: Analyzing trace with hash 836742567, now seen corresponding path program 20 times [2022-11-18 20:38:46,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:46,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313194315] [2022-11-18 20:38:46,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:46,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:46,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:38:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:46,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:38:46,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:46,760 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 20 times [2022-11-18 20:38:46,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:46,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607698506] [2022-11-18 20:38:46,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:46,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:46,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:38:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:46,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:38:46,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:46,770 INFO L85 PathProgramCache]: Analyzing trace with hash 950724076, now seen corresponding path program 11 times [2022-11-18 20:38:46,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:38:46,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768826143] [2022-11-18 20:38:46,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:38:46,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:38:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:46,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:38:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:38:46,840 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:38:53,088 WARN L233 SmtUtils]: Spent 6.20s on a formula simplification. DAG size of input: 324 DAG size of output: 251 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:38:54,106 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:38:54,106 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:38:54,106 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:38:54,106 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:38:54,106 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:38:54,106 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:54,106 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:38:54,106 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:38:54,106 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration23_Lasso [2022-11-18 20:38:54,106 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:38:54,106 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:38:54,111 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:54,125 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:54,129 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:54,131 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:54,134 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:54,137 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:54,159 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:54,161 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:54,164 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:54,168 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:54,170 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:54,173 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:54,176 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:55,514 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:55,516 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:38:56,036 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:38:56,036 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:38:56,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,040 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2022-11-18 20:38:56,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:56,063 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:56,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:56,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:56,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,079 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2022-11-18 20:38:56,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:56,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:56,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:56,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Ended with exit code 0 [2022-11-18 20:38:56,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,111 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2022-11-18 20:38:56,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:56,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:56,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:56,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:56,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Ended with exit code 0 [2022-11-18 20:38:56,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,137 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2022-11-18 20:38:56,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:56,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:56,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:56,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Ended with exit code 0 [2022-11-18 20:38:56,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,161 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2022-11-18 20:38:56,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:56,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:56,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:56,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:56,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Ended with exit code 0 [2022-11-18 20:38:56,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,182 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2022-11-18 20:38:56,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:56,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:56,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:56,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Ended with exit code 0 [2022-11-18 20:38:56,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,205 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2022-11-18 20:38:56,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:56,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:56,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:56,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:56,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Ended with exit code 0 [2022-11-18 20:38:56,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,229 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2022-11-18 20:38:56,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:56,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:56,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:56,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:56,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:56,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,247 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2022-11-18 20:38:56,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:56,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:56,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:56,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2022-11-18 20:38:56,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,272 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2022-11-18 20:38:56,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:56,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:56,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:56,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:56,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Ended with exit code 0 [2022-11-18 20:38:56,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,291 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2022-11-18 20:38:56,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:56,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:56,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:56,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Ended with exit code 0 [2022-11-18 20:38:56,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,318 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2022-11-18 20:38:56,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:38:56,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:38:56,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:38:56,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:56,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Ended with exit code 0 [2022-11-18 20:38:56,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,338 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2022-11-18 20:38:56,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:56,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:56,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:56,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Ended with exit code 0 [2022-11-18 20:38:56,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,364 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2022-11-18 20:38:56,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:56,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:56,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:56,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:56,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,392 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2022-11-18 20:38:56,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:56,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:56,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:56,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:56,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,417 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2022-11-18 20:38:56,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:56,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:56,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:56,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Ended with exit code 0 [2022-11-18 20:38:56,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,443 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2022-11-18 20:38:56,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:56,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:56,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:56,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Ended with exit code 0 [2022-11-18 20:38:56,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,482 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2022-11-18 20:38:56,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:56,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:56,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:56,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:56,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,508 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2022-11-18 20:38:56,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:56,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:56,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:38:56,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2022-11-18 20:38:56,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,530 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2022-11-18 20:38:56,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:38:56,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:38:56,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:38:56,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:38:56,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:38:56,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:38:56,547 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:38:56,564 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:38:56,574 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-18 20:38:56,574 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-18 20:38:56,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:38:56,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:38:56,583 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:38:56,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2022-11-18 20:38:56,587 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:38:56,598 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:38:56,598 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:38:56,598 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~i~0#1 4) (- 8)))_5) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~i~0#1 4) (- 8)))_5 Supporting invariants [] [2022-11-18 20:38:56,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:56,693 INFO L156 tatePredicateManager]: 22 out of 23 supporting invariants were superfluous and have been removed [2022-11-18 20:38:56,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:56,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-18 20:38:56,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:57,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:38:57,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:57,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:57,442 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.19 stem predicates 2 loop predicates [2022-11-18 20:38:57,442 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29 Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:57,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Forceful destruction successful, exit code 0 [2022-11-18 20:38:57,798 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29. Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 93 states and 116 transitions. Complement of second has 14 states. [2022-11-18 20:38:57,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 12 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:38:57,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:57,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 66 transitions. [2022-11-18 20:38:57,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 66 transitions. Stem has 72 letters. Loop has 2 letters. [2022-11-18 20:38:57,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:57,810 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:38:57,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:57,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-18 20:38:57,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:58,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:38:58,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:58,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:58,521 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.19 stem predicates 2 loop predicates [2022-11-18 20:38:58,521 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29 Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:58,793 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29. Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 93 states and 116 transitions. Complement of second has 14 states. [2022-11-18 20:38:58,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 12 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:38:58,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:38:58,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 66 transitions. [2022-11-18 20:38:58,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 66 transitions. Stem has 72 letters. Loop has 2 letters. [2022-11-18 20:38:58,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:38:58,795 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:38:58,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:38:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:58,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-18 20:38:58,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:38:59,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:38:59,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:38:59,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:38:59,600 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.19 stem predicates 2 loop predicates [2022-11-18 20:38:59,600 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29 Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:00,346 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29. Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 162 states and 210 transitions. Complement of second has 33 states. [2022-11-18 20:39:00,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 23 states 19 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:39:00,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:00,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 127 transitions. [2022-11-18 20:39:00,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 127 transitions. Stem has 72 letters. Loop has 2 letters. [2022-11-18 20:39:00,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:39:00,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 127 transitions. Stem has 74 letters. Loop has 2 letters. [2022-11-18 20:39:00,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:39:00,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 127 transitions. Stem has 72 letters. Loop has 4 letters. [2022-11-18 20:39:00,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:39:00,354 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 210 transitions. [2022-11-18 20:39:00,355 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 20:39:00,356 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 157 states and 203 transitions. [2022-11-18 20:39:00,356 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-18 20:39:00,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-18 20:39:00,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 157 states and 203 transitions. [2022-11-18 20:39:00,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:39:00,357 INFO L218 hiAutomatonCegarLoop]: Abstraction has 157 states and 203 transitions. [2022-11-18 20:39:00,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states and 203 transitions. [2022-11-18 20:39:00,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 94. [2022-11-18 20:39:00,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 94 states have (on average 1.2340425531914894) internal successors, (116), 93 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:00,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 116 transitions. [2022-11-18 20:39:00,361 INFO L240 hiAutomatonCegarLoop]: Abstraction has 94 states and 116 transitions. [2022-11-18 20:39:00,361 INFO L428 stractBuchiCegarLoop]: Abstraction has 94 states and 116 transitions. [2022-11-18 20:39:00,361 INFO L335 stractBuchiCegarLoop]: ======== Iteration 24 ============ [2022-11-18 20:39:00,361 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states and 116 transitions. [2022-11-18 20:39:00,362 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:39:00,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:39:00,362 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:39:00,363 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 9, 9, 9, 9, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:39:00,363 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:39:00,363 INFO L748 eck$LassoCheckResult]: Stem: 13794#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 13795#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 13801#L551 assume !(main_~length~0#1 < 1); 13806#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 13804#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 13805#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13796#L556 assume !(main_~val~0#1 < 0); 13797#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13798#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13813#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13814#L556 assume !(main_~val~0#1 < 0); 13846#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13811#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13812#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13845#L556 assume !(main_~val~0#1 < 0); 13844#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13843#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13842#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13841#L556 assume !(main_~val~0#1 < 0); 13840#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13839#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13838#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13837#L556 assume !(main_~val~0#1 < 0); 13836#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13835#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13834#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13833#L556 assume !(main_~val~0#1 < 0); 13832#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13831#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13830#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13829#L556 assume !(main_~val~0#1 < 0); 13828#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13827#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13826#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13825#L556 assume !(main_~val~0#1 < 0); 13824#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13823#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13821#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13822#L556 assume !(main_~val~0#1 < 0); 13887#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13886#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13885#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 13884#L554-4 main_~j~0#1 := 0; 13883#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 13881#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13880#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13879#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13815#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 13810#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13816#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13799#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13800#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 13877#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13876#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13875#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13874#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 13872#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13871#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13870#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13869#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 13867#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13866#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13865#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13864#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 13862#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13861#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13860#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13859#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 13857#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13856#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13855#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13854#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 13853#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13850#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13849#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13847#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 13808#L562-3 [2022-11-18 20:39:00,364 INFO L750 eck$LassoCheckResult]: Loop: 13808#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13807#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 13808#L562-3 [2022-11-18 20:39:00,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:00,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1182197124, now seen corresponding path program 21 times [2022-11-18 20:39:00,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:00,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644474896] [2022-11-18 20:39:00,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:00,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:39:00,399 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:39:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:39:00,432 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:39:00,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:00,433 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 21 times [2022-11-18 20:39:00,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:00,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385156160] [2022-11-18 20:39:00,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:00,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:39:00,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:39:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:39:00,442 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:39:00,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:00,443 INFO L85 PathProgramCache]: Analyzing trace with hash 2074898817, now seen corresponding path program 12 times [2022-11-18 20:39:00,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:39:00,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348122120] [2022-11-18 20:39:00,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:39:00,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:39:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:39:00,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:39:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:39:00,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:39:09,412 WARN L233 SmtUtils]: Spent 8.84s on a formula simplification. DAG size of input: 338 DAG size of output: 258 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:39:09,994 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:39:09,994 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:39:09,994 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:39:09,994 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:39:09,994 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:39:09,995 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:09,995 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:39:09,995 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:39:09,995 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration24_Lasso [2022-11-18 20:39:09,995 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:39:09,995 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:39:09,998 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:10,002 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:10,005 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:10,007 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:10,009 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:10,011 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:10,013 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:10,015 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:10,017 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:10,019 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:10,022 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:10,023 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:10,025 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:12,179 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:12,827 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:39:12,827 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:39:12,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:12,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:12,829 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:12,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2022-11-18 20:39:12,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:12,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:12,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:12,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:12,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:12,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:12,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:12,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:12,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Ended with exit code 0 [2022-11-18 20:39:12,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:12,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:12,852 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:12,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2022-11-18 20:39:12,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:12,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:12,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:39:12,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:12,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:12,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:12,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:39:12,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:39:12,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:12,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Ended with exit code 0 [2022-11-18 20:39:12,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:12,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:12,871 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:12,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2022-11-18 20:39:12,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:12,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:12,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:39:12,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:12,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:12,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:12,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:39:12,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:39:12,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:12,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Ended with exit code 0 [2022-11-18 20:39:12,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:12,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:12,890 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:12,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2022-11-18 20:39:12,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:12,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:12,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:12,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:12,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:12,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:12,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:12,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:12,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Ended with exit code 0 [2022-11-18 20:39:12,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:12,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:12,916 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:12,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2022-11-18 20:39:12,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:12,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:12,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:12,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:12,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:12,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:12,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:12,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:12,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Ended with exit code 0 [2022-11-18 20:39:12,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:12,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:12,947 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:12,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:12,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2022-11-18 20:39:12,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:12,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:39:12,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:12,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:12,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:12,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:39:12,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:39:12,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:12,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Forceful destruction successful, exit code 0 [2022-11-18 20:39:12,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:12,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:12,967 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:12,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2022-11-18 20:39:12,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:12,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:12,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:12,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:12,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:12,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:12,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:12,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:12,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Ended with exit code 0 [2022-11-18 20:39:12,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:12,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:12,991 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:12,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2022-11-18 20:39:12,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:13,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:13,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:39:13,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:13,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:13,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:13,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:39:13,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:39:13,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:13,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Ended with exit code 0 [2022-11-18 20:39:13,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:13,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:13,011 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:13,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2022-11-18 20:39:13,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:13,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:13,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:39:13,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:13,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:13,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:13,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:39:13,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:39:13,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:13,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Ended with exit code 0 [2022-11-18 20:39:13,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:13,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:13,031 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:13,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2022-11-18 20:39:13,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:13,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:13,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:13,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:13,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:13,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:13,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:13,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:13,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Ended with exit code 0 [2022-11-18 20:39:13,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:13,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:13,054 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:13,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2022-11-18 20:39:13,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:13,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:13,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:39:13,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:13,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:13,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:13,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:39:13,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:39:13,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:13,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Ended with exit code 0 [2022-11-18 20:39:13,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:13,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:13,079 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:13,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2022-11-18 20:39:13,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:13,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:13,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:39:13,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:13,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:13,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:13,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:39:13,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:39:13,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:13,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Ended with exit code 0 [2022-11-18 20:39:13,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:13,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:13,100 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:13,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2022-11-18 20:39:13,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:13,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:13,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:13,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:13,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:13,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:13,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:13,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:13,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Ended with exit code 0 [2022-11-18 20:39:13,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:13,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:13,131 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:13,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2022-11-18 20:39:13,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:13,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:13,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:13,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:13,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:13,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:13,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:13,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:13,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Ended with exit code 0 [2022-11-18 20:39:13,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:13,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:13,161 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:13,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2022-11-18 20:39:13,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:13,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:13,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:13,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:13,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2022-11-18 20:39:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:39:32,751 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:39:47,128 WARN L233 SmtUtils]: Spent 14.32s on a formula simplification. DAG size of input: 371 DAG size of output: 287 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:39:49,619 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:39:49,619 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:39:49,619 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:39:49,619 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:39:49,619 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:39:49,619 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:49,619 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:39:49,619 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:39:49,620 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration27_Lasso [2022-11-18 20:39:49,620 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:39:49,620 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:39:49,626 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:49,629 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:49,631 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:49,634 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:49,635 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:49,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:49,640 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:49,642 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:54,728 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:54,730 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:54,733 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:54,735 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:54,737 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:54,739 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:54,742 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:39:55,525 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:39:55,525 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:39:55,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:55,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:55,531 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:55,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:55,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Waiting until timeout for monitored process [2022-11-18 20:39:55,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:55,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:39:55,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:55,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:55,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:55,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:39:55,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:39:55,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:55,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Forceful destruction successful, exit code 0 [2022-11-18 20:39:55,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:55,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:55,558 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:55,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Waiting until timeout for monitored process [2022-11-18 20:39:55,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:55,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:55,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:55,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:55,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:55,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:55,573 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:55,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:55,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Ended with exit code 0 [2022-11-18 20:39:55,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:55,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:55,582 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:55,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Waiting until timeout for monitored process [2022-11-18 20:39:55,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:55,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:55,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:55,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:55,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:55,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:55,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:55,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:55,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Ended with exit code 0 [2022-11-18 20:39:55,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:55,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:55,606 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:55,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Waiting until timeout for monitored process [2022-11-18 20:39:55,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:55,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:55,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:39:55,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:55,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:55,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:55,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:39:55,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:39:55,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:55,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Ended with exit code 0 [2022-11-18 20:39:55,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:55,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:55,627 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:55,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Waiting until timeout for monitored process [2022-11-18 20:39:55,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:55,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:55,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:39:55,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:55,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:55,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:55,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:39:55,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:39:55,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:55,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Forceful destruction successful, exit code 0 [2022-11-18 20:39:55,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:55,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:55,648 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:55,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Waiting until timeout for monitored process [2022-11-18 20:39:55,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:55,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:55,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:55,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:55,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:55,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:55,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:55,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:55,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Ended with exit code 0 [2022-11-18 20:39:55,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:55,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:55,673 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:55,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Waiting until timeout for monitored process [2022-11-18 20:39:55,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:55,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:55,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:39:55,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:55,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:55,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:55,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:39:55,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:39:55,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:55,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Ended with exit code 0 [2022-11-18 20:39:55,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:55,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:55,694 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:55,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Waiting until timeout for monitored process [2022-11-18 20:39:55,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:55,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:55,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:55,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:55,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:55,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:55,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:55,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:55,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Ended with exit code 0 [2022-11-18 20:39:55,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:55,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:55,723 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:55,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Waiting until timeout for monitored process [2022-11-18 20:39:55,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:55,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:55,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:55,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:55,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:55,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:55,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:55,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:55,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Ended with exit code 0 [2022-11-18 20:39:55,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:55,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:55,752 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:55,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Waiting until timeout for monitored process [2022-11-18 20:39:55,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:55,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:55,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:55,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:55,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:55,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:55,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:55,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:55,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Ended with exit code 0 [2022-11-18 20:39:55,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:55,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:55,784 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:55,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Waiting until timeout for monitored process [2022-11-18 20:39:55,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:55,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:55,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:55,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:55,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:55,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:55,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:55,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:55,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Forceful destruction successful, exit code 0 [2022-11-18 20:39:55,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:55,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:55,833 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:55,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:55,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Waiting until timeout for monitored process [2022-11-18 20:39:55,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:55,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:55,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:55,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:55,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:55,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:55,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:55,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Forceful destruction successful, exit code 0 [2022-11-18 20:39:55,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:55,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:55,885 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:55,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:55,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Waiting until timeout for monitored process [2022-11-18 20:39:55,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:55,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:55,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:55,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:55,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:55,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:55,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:55,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Forceful destruction successful, exit code 0 [2022-11-18 20:39:55,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:55,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:55,936 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:55,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:55,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Waiting until timeout for monitored process [2022-11-18 20:39:55,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:55,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:55,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:55,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:55,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:55,961 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:55,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:55,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Forceful destruction successful, exit code 0 [2022-11-18 20:39:55,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:55,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:55,978 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:55,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:55,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Waiting until timeout for monitored process [2022-11-18 20:39:55,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:55,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:55,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:55,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:56,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:56,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:56,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:56,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Forceful destruction successful, exit code 0 [2022-11-18 20:39:56,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:56,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:56,031 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:56,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:56,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Waiting until timeout for monitored process [2022-11-18 20:39:56,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:56,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:56,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:56,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:56,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:56,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:56,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:39:56,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Forceful destruction successful, exit code 0 [2022-11-18 20:39:56,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:56,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:56,085 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:56,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:39:56,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Waiting until timeout for monitored process [2022-11-18 20:39:56,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:39:56,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:39:56,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:39:56,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:39:56,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:39:56,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:39:56,131 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:39:56,152 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-18 20:39:56,153 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-18 20:39:56,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:39:56,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:39:56,159 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:39:56,161 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:39:56,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Waiting until timeout for monitored process [2022-11-18 20:39:56,196 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:39:56,197 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:39:56,197 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_8) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_8 Supporting invariants [] [2022-11-18 20:39:56,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Forceful destruction successful, exit code 0 [2022-11-18 20:39:56,586 INFO L156 tatePredicateManager]: 40 out of 41 supporting invariants were superfluous and have been removed [2022-11-18 20:39:56,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:56,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-18 20:39:56,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:39:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:57,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:39:57,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:39:57,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:57,653 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.22 stem predicates 2 loop predicates [2022-11-18 20:39:57,653 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34 Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:58,080 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34. Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 107 states and 133 transitions. Complement of second has 15 states. [2022-11-18 20:39:58,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 13 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:39:58,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:58,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 71 transitions. [2022-11-18 20:39:58,082 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 71 transitions. Stem has 84 letters. Loop has 2 letters. [2022-11-18 20:39:58,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:39:58,082 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:39:58,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:58,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-18 20:39:58,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:39:58,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Forceful destruction successful, exit code 0 [2022-11-18 20:39:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:59,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:39:59,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:39:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:39:59,096 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.22 stem predicates 2 loop predicates [2022-11-18 20:39:59,096 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34 Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:59,429 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34. Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 107 states and 133 transitions. Complement of second has 15 states. [2022-11-18 20:39:59,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 13 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:39:59,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:39:59,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 71 transitions. [2022-11-18 20:39:59,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 71 transitions. Stem has 84 letters. Loop has 2 letters. [2022-11-18 20:39:59,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:39:59,431 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:39:59,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:39:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:39:59,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-18 20:39:59,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:00,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:40:00,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:00,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:00,400 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.22 stem predicates 2 loop predicates [2022-11-18 20:40:00,400 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34 Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:01,261 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34. Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 190 states and 247 transitions. Complement of second has 38 states. [2022-11-18 20:40:01,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 26 states 22 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:40:01,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:01,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 144 transitions. [2022-11-18 20:40:01,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 26 states and 144 transitions. Stem has 84 letters. Loop has 2 letters. [2022-11-18 20:40:01,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:40:01,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 26 states and 144 transitions. Stem has 86 letters. Loop has 2 letters. [2022-11-18 20:40:01,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:40:01,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 26 states and 144 transitions. Stem has 84 letters. Loop has 4 letters. [2022-11-18 20:40:01,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:40:01,267 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 247 transitions. [2022-11-18 20:40:01,268 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 20:40:01,270 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 185 states and 240 transitions. [2022-11-18 20:40:01,270 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-18 20:40:01,270 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-18 20:40:01,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 185 states and 240 transitions. [2022-11-18 20:40:01,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:40:01,271 INFO L218 hiAutomatonCegarLoop]: Abstraction has 185 states and 240 transitions. [2022-11-18 20:40:01,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states and 240 transitions. [2022-11-18 20:40:01,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 108. [2022-11-18 20:40:01,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 108 states have (on average 1.2314814814814814) internal successors, (133), 107 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:01,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 133 transitions. [2022-11-18 20:40:01,274 INFO L240 hiAutomatonCegarLoop]: Abstraction has 108 states and 133 transitions. [2022-11-18 20:40:01,274 INFO L428 stractBuchiCegarLoop]: Abstraction has 108 states and 133 transitions. [2022-11-18 20:40:01,274 INFO L335 stractBuchiCegarLoop]: ======== Iteration 28 ============ [2022-11-18 20:40:01,275 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 133 transitions. [2022-11-18 20:40:01,275 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:40:01,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:40:01,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:40:01,277 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:01,277 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:40:01,277 INFO L748 eck$LassoCheckResult]: Stem: 19042#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 19043#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 19049#L551 assume !(main_~length~0#1 < 1); 19058#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 19052#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 19053#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19044#L556 assume !(main_~val~0#1 < 0); 19045#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19046#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19061#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19062#L556 assume !(main_~val~0#1 < 0); 19098#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19059#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19060#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19097#L556 assume !(main_~val~0#1 < 0); 19096#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19095#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19094#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19093#L556 assume !(main_~val~0#1 < 0); 19092#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19091#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19090#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19089#L556 assume !(main_~val~0#1 < 0); 19088#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19087#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19086#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19085#L556 assume !(main_~val~0#1 < 0); 19084#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19083#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19082#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19081#L556 assume !(main_~val~0#1 < 0); 19080#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19079#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19078#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19077#L556 assume !(main_~val~0#1 < 0); 19076#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19075#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19074#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19073#L556 assume !(main_~val~0#1 < 0); 19072#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19071#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19069#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19070#L556 assume !(main_~val~0#1 < 0); 19149#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19148#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19147#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 19146#L554-4 main_~j~0#1 := 0; 19145#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19143#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19142#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19141#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19063#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19057#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19064#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19047#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19048#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19139#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19138#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19137#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19136#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19134#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19133#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19132#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19131#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19129#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19128#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19127#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19126#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19124#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19123#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19122#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19121#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19119#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19118#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19117#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19116#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19114#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19113#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19112#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19111#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19109#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19108#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19107#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19106#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19105#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19102#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19101#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19099#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19055#L562-3 [2022-11-18 20:40:01,277 INFO L750 eck$LassoCheckResult]: Loop: 19055#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19054#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 19055#L562-3 [2022-11-18 20:40:01,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:01,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1412762337, now seen corresponding path program 25 times [2022-11-18 20:40:01,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:01,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359419065] [2022-11-18 20:40:01,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:01,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:01,894 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 153 proven. 227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:01,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:01,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359419065] [2022-11-18 20:40:01,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359419065] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:40:01,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606445493] [2022-11-18 20:40:01,895 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-18 20:40:01,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:40:01,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:01,900 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:40:01,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (256)] Waiting until timeout for monitored process [2022-11-18 20:40:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:02,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-18 20:40:02,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:02,682 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 190 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:02,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:40:03,181 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 190 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:03,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606445493] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:40:03,181 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:40:03,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 37 [2022-11-18 20:40:03,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854713128] [2022-11-18 20:40:03,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:40:03,182 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:40:03,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:03,182 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 25 times [2022-11-18 20:40:03,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:03,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878841650] [2022-11-18 20:40:03,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:03,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:03,187 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:40:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:03,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:40:03,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:40:03,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-18 20:40:03,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=1077, Unknown=0, NotChecked=0, Total=1406 [2022-11-18 20:40:03,233 INFO L87 Difference]: Start difference. First operand 108 states and 133 transitions. cyclomatic complexity: 38 Second operand has 38 states, 37 states have (on average 3.7837837837837838) internal successors, (140), 38 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:03,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:03,701 INFO L93 Difference]: Finished difference Result 156 states and 190 transitions. [2022-11-18 20:40:03,701 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 190 transitions. [2022-11-18 20:40:03,702 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:40:03,702 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 104 states and 128 transitions. [2022-11-18 20:40:03,703 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:40:03,703 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:40:03,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 104 states and 128 transitions. [2022-11-18 20:40:03,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:40:03,703 INFO L218 hiAutomatonCegarLoop]: Abstraction has 104 states and 128 transitions. [2022-11-18 20:40:03,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states and 128 transitions. [2022-11-18 20:40:03,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2022-11-18 20:40:03,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 101 states have (on average 1.2277227722772277) internal successors, (124), 100 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:03,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 124 transitions. [2022-11-18 20:40:03,706 INFO L240 hiAutomatonCegarLoop]: Abstraction has 101 states and 124 transitions. [2022-11-18 20:40:03,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-18 20:40:03,707 INFO L428 stractBuchiCegarLoop]: Abstraction has 101 states and 124 transitions. [2022-11-18 20:40:03,707 INFO L335 stractBuchiCegarLoop]: ======== Iteration 29 ============ [2022-11-18 20:40:03,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 124 transitions. [2022-11-18 20:40:03,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:40:03,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:40:03,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:40:03,709 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 11, 11, 11, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:03,709 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:40:03,709 INFO L748 eck$LassoCheckResult]: Stem: 19893#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 19894#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 19900#L551 assume !(main_~length~0#1 < 1); 19905#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 19903#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 19904#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19895#L556 assume !(main_~val~0#1 < 0); 19896#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19897#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19910#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19911#L556 assume !(main_~val~0#1 < 0); 19993#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19992#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19991#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19990#L556 assume !(main_~val~0#1 < 0); 19989#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19988#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19987#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19986#L556 assume !(main_~val~0#1 < 0); 19985#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19984#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19983#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19982#L556 assume !(main_~val~0#1 < 0); 19981#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19980#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19979#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19978#L556 assume !(main_~val~0#1 < 0); 19977#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19976#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19975#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19974#L556 assume !(main_~val~0#1 < 0); 19973#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19972#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19971#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19970#L556 assume !(main_~val~0#1 < 0); 19969#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19968#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19967#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19966#L556 assume !(main_~val~0#1 < 0); 19965#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19964#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19963#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19962#L556 assume !(main_~val~0#1 < 0); 19961#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19960#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19959#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19920#L556 assume !(main_~val~0#1 < 0); 19923#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19921#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19919#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 19901#L554-4 main_~j~0#1 := 0; 19902#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19912#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19914#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19898#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19899#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19909#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19958#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19957#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19956#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19954#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19953#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19952#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19951#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19949#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19948#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19947#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19946#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19944#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19943#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19942#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19941#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19939#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19938#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19937#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19936#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19934#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19933#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19932#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19931#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19929#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19928#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19927#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19926#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19925#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19918#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19917#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19915#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 19907#L562-3 [2022-11-18 20:40:03,710 INFO L750 eck$LassoCheckResult]: Loop: 19907#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19906#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 19907#L562-3 [2022-11-18 20:40:03,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:03,710 INFO L85 PathProgramCache]: Analyzing trace with hash 221080131, now seen corresponding path program 26 times [2022-11-18 20:40:03,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:03,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583653186] [2022-11-18 20:40:03,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:03,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:03,746 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:40:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:03,784 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:40:03,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:03,784 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 26 times [2022-11-18 20:40:03,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:03,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427503632] [2022-11-18 20:40:03,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:03,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:03,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:40:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:03,795 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:40:03,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:03,796 INFO L85 PathProgramCache]: Analyzing trace with hash 2004609928, now seen corresponding path program 15 times [2022-11-18 20:40:03,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:03,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057515096] [2022-11-18 20:40:03,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:03,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:03,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:40:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:03,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:40:17,072 WARN L233 SmtUtils]: Spent 13.14s on a formula simplification. DAG size of input: 390 DAG size of output: 301 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:40:18,706 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:40:18,706 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:40:18,706 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:40:18,706 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:40:18,706 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:40:18,706 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:18,706 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:40:18,707 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:40:18,707 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration29_Lasso [2022-11-18 20:40:18,707 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:40:18,707 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:40:18,709 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:18,712 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:18,714 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:18,716 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:18,718 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:18,720 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:18,722 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:18,725 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:18,727 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:18,729 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:18,731 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:18,734 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:18,738 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:21,428 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:21,430 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:22,058 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:40:22,059 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:40:22,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:22,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:22,060 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:22,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Waiting until timeout for monitored process [2022-11-18 20:40:22,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:22,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:22,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:22,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:22,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:22,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:40:22,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:40:22,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:22,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:22,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:22,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:22,085 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:22,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Waiting until timeout for monitored process [2022-11-18 20:40:22,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:22,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:22,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:40:22,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:22,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:22,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:22,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:40:22,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:40:22,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:22,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Ended with exit code 0 [2022-11-18 20:40:22,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:22,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:22,106 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:22,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Waiting until timeout for monitored process [2022-11-18 20:40:22,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:22,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:22,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:40:22,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:22,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:22,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:22,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:40:22,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:40:22,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:22,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Ended with exit code 0 [2022-11-18 20:40:22,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:22,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:22,134 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:22,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Waiting until timeout for monitored process [2022-11-18 20:40:22,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:22,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:22,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:22,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:22,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:22,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:40:22,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:40:22,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:22,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:22,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:22,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:22,183 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:22,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:22,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Waiting until timeout for monitored process [2022-11-18 20:40:22,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:22,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:40:22,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:22,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:22,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:22,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:40:22,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:40:22,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:22,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:22,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:22,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:22,232 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:22,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Waiting until timeout for monitored process [2022-11-18 20:40:22,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:22,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:22,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:40:22,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:22,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:22,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:22,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:40:22,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:40:22,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:22,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Ended with exit code 0 [2022-11-18 20:40:22,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:22,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:22,258 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:22,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Waiting until timeout for monitored process [2022-11-18 20:40:22,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:22,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:22,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:22,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:22,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:22,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:40:22,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:40:22,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:22,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Ended with exit code 0 [2022-11-18 20:40:22,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:22,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:22,283 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:22,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Waiting until timeout for monitored process [2022-11-18 20:40:22,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:22,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:22,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:40:22,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:22,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:22,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:22,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:40:22,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:40:22,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:22,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:22,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:22,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:22,303 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:22,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Waiting until timeout for monitored process [2022-11-18 20:40:22,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:22,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:22,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:40:22,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:22,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:22,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:22,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:40:22,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:40:22,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:22,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Ended with exit code 0 [2022-11-18 20:40:22,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:22,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:22,325 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:22,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Waiting until timeout for monitored process [2022-11-18 20:40:22,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:22,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:22,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:22,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:22,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:22,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:40:22,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:40:22,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:22,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Ended with exit code 0 [2022-11-18 20:40:22,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:22,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:22,351 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:22,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Waiting until timeout for monitored process [2022-11-18 20:40:22,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:22,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:22,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:22,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:22,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:22,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:40:22,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:40:22,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:22,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Ended with exit code 0 [2022-11-18 20:40:22,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:22,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:22,380 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:22,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Waiting until timeout for monitored process [2022-11-18 20:40:22,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:22,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:22,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:22,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:22,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:22,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:40:22,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:40:22,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:22,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Ended with exit code 0 [2022-11-18 20:40:22,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:22,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:22,404 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:22,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Waiting until timeout for monitored process [2022-11-18 20:40:22,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:22,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:22,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:22,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:22,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:22,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:40:22,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:40:22,429 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:40:22,449 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-18 20:40:22,449 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-18 20:40:22,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:22,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:22,452 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:22,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Waiting until timeout for monitored process [2022-11-18 20:40:22,454 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:40:22,467 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:40:22,467 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:40:22,467 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 36))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 36))_1 Supporting invariants [] [2022-11-18 20:40:22,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:22,615 INFO L156 tatePredicateManager]: 32 out of 33 supporting invariants were superfluous and have been removed [2022-11-18 20:40:22,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:22,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-18 20:40:22,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:22,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:23,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:40:23,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:23,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:23,054 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.11 stem predicates 2 loop predicates [2022-11-18 20:40:23,054 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35 Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:23,086 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 102 states and 126 transitions. Complement of second has 4 states. [2022-11-18 20:40:23,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:40:23,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:23,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:40:23,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 88 letters. Loop has 2 letters. [2022-11-18 20:40:23,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:40:23,087 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:40:23,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:23,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-18 20:40:23,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:23,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:40:23,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:23,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:23,590 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.11 stem predicates 2 loop predicates [2022-11-18 20:40:23,590 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35 Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:23,628 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 102 states and 126 transitions. Complement of second has 4 states. [2022-11-18 20:40:23,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:40:23,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:23,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:40:23,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 88 letters. Loop has 2 letters. [2022-11-18 20:40:23,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:40:23,630 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:40:23,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:23,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-18 20:40:23,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:24,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:40:24,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:24,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:24,076 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.11 stem predicates 2 loop predicates [2022-11-18 20:40:24,076 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35 Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:24,437 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 124 states and 159 transitions. Complement of second has 26 states. [2022-11-18 20:40:24,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 11 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:40:24,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:24,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 81 transitions. [2022-11-18 20:40:24,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 81 transitions. Stem has 88 letters. Loop has 2 letters. [2022-11-18 20:40:24,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:40:24,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 81 transitions. Stem has 90 letters. Loop has 2 letters. [2022-11-18 20:40:24,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:40:24,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 81 transitions. Stem has 88 letters. Loop has 4 letters. [2022-11-18 20:40:24,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:40:24,440 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 159 transitions. [2022-11-18 20:40:24,440 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:40:24,441 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 119 states and 152 transitions. [2022-11-18 20:40:24,441 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:40:24,441 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-18 20:40:24,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 152 transitions. [2022-11-18 20:40:24,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:40:24,441 INFO L218 hiAutomatonCegarLoop]: Abstraction has 119 states and 152 transitions. [2022-11-18 20:40:24,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states and 152 transitions. [2022-11-18 20:40:24,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 106. [2022-11-18 20:40:24,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 105 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:24,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 130 transitions. [2022-11-18 20:40:24,444 INFO L240 hiAutomatonCegarLoop]: Abstraction has 106 states and 130 transitions. [2022-11-18 20:40:24,444 INFO L428 stractBuchiCegarLoop]: Abstraction has 106 states and 130 transitions. [2022-11-18 20:40:24,444 INFO L335 stractBuchiCegarLoop]: ======== Iteration 30 ============ [2022-11-18 20:40:24,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 106 states and 130 transitions. [2022-11-18 20:40:24,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:40:24,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:40:24,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:40:24,446 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 11, 11, 11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:24,446 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:40:24,446 INFO L748 eck$LassoCheckResult]: Stem: 21363#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 21364#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 21370#L551 assume !(main_~length~0#1 < 1); 21379#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 21373#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 21374#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21382#L556 assume !(main_~val~0#1 < 0); 21423#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21380#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21381#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21365#L556 assume !(main_~val~0#1 < 0); 21366#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21367#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21422#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21421#L556 assume !(main_~val~0#1 < 0); 21420#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21419#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21418#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21417#L556 assume !(main_~val~0#1 < 0); 21416#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21415#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21414#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21413#L556 assume !(main_~val~0#1 < 0); 21412#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21411#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21410#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21409#L556 assume !(main_~val~0#1 < 0); 21408#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21407#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21406#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21405#L556 assume !(main_~val~0#1 < 0); 21404#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21403#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21402#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21401#L556 assume !(main_~val~0#1 < 0); 21400#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21399#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21398#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21397#L556 assume !(main_~val~0#1 < 0); 21396#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21395#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21394#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21393#L556 assume !(main_~val~0#1 < 0); 21392#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21391#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21390#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21387#L556 assume !(main_~val~0#1 < 0); 21389#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21388#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21386#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 21371#L554-4 main_~j~0#1 := 0; 21372#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21383#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21467#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21466#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21384#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21378#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21385#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21368#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21369#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21464#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21463#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21462#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21461#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21459#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21458#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21457#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21456#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21454#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21453#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21452#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21451#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21449#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21448#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21447#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21446#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21444#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21443#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21442#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21441#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21439#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21438#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21437#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21436#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21434#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21433#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21432#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21431#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21430#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21427#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21426#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21424#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 21376#L562-3 [2022-11-18 20:40:24,447 INFO L750 eck$LassoCheckResult]: Loop: 21376#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21375#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 21376#L562-3 [2022-11-18 20:40:24,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:24,447 INFO L85 PathProgramCache]: Analyzing trace with hash -2010175208, now seen corresponding path program 27 times [2022-11-18 20:40:24,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:24,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064456594] [2022-11-18 20:40:24,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:24,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:24,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:40:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:24,542 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:40:24,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:24,543 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 27 times [2022-11-18 20:40:24,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:24,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130068887] [2022-11-18 20:40:24,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:24,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:24,548 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:40:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:24,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:40:24,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:24,552 INFO L85 PathProgramCache]: Analyzing trace with hash 956909853, now seen corresponding path program 16 times [2022-11-18 20:40:24,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:24,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394973762] [2022-11-18 20:40:24,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:24,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:24,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:40:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:24,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:40:41,503 WARN L233 SmtUtils]: Spent 16.81s on a formula simplification. DAG size of input: 404 DAG size of output: 311 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:40:42,592 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:40:42,593 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:40:42,593 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:40:42,593 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:40:42,593 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:40:42,593 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:42,593 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:40:42,593 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:40:42,593 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration30_Lasso [2022-11-18 20:40:42,593 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:40:42,593 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:40:42,597 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:42,599 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:42,602 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:42,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:42,607 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:42,609 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:42,612 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:42,615 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:44,989 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:44,992 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:44,995 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:44,997 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:44,999 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:45,001 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:40:45,694 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:40:45,694 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:40:45,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:45,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:45,704 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:45,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:45,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Waiting until timeout for monitored process [2022-11-18 20:40:45,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:45,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:40:45,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:45,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:45,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:45,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:40:45,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:40:45,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:45,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:45,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:45,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:45,739 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:45,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Waiting until timeout for monitored process [2022-11-18 20:40:45,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:45,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:45,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:45,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:45,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:45,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:40:45,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:40:45,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:45,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Ended with exit code 0 [2022-11-18 20:40:45,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:45,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:45,791 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:45,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Waiting until timeout for monitored process [2022-11-18 20:40:45,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:45,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:45,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:40:45,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:45,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:45,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:45,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:40:45,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:40:45,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:45,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:45,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:45,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:45,814 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:45,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Waiting until timeout for monitored process [2022-11-18 20:40:45,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:45,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:45,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:45,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:45,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:45,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:40:45,832 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:40:45,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:45,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Ended with exit code 0 [2022-11-18 20:40:45,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:45,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:45,841 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:45,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Waiting until timeout for monitored process [2022-11-18 20:40:45,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:45,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:45,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:40:45,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:45,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:45,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:45,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:40:45,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:40:45,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:45,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:45,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:45,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:45,863 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:45,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Waiting until timeout for monitored process [2022-11-18 20:40:45,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:45,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:45,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:40:45,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:45,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:45,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:45,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:40:45,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:40:45,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:45,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:45,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:45,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:45,885 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:45,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Waiting until timeout for monitored process [2022-11-18 20:40:45,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:45,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:45,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:45,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:45,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:45,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:40:45,902 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:40:45,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:45,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Ended with exit code 0 [2022-11-18 20:40:45,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:45,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:45,911 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:45,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Waiting until timeout for monitored process [2022-11-18 20:40:45,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:45,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:45,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:45,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:45,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:45,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:40:45,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:40:45,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:45,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:45,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:45,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:45,962 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:45,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:45,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Waiting until timeout for monitored process [2022-11-18 20:40:45,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:45,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:45,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:45,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:45,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:40:45,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:40:46,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:46,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:46,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:46,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:46,009 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:46,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:46,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Waiting until timeout for monitored process [2022-11-18 20:40:46,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:46,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:46,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:46,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:46,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:40:46,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:40:46,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:46,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:46,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:46,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:46,057 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:46,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:46,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Waiting until timeout for monitored process [2022-11-18 20:40:46,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:46,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:46,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:46,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:46,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:40:46,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:40:46,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:40:46,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:46,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:46,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:46,110 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:46,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:40:46,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Waiting until timeout for monitored process [2022-11-18 20:40:46,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:40:46,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:40:46,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:40:46,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:40:46,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:40:46,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:40:46,151 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:40:46,172 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-18 20:40:46,172 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-11-18 20:40:46,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:40:46,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:46,176 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:46,182 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:40:46,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Waiting until timeout for monitored process [2022-11-18 20:40:46,220 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:40:46,220 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:40:46,221 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_10) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_10 Supporting invariants [] [2022-11-18 20:40:46,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:46,389 INFO L156 tatePredicateManager]: 30 out of 31 supporting invariants were superfluous and have been removed [2022-11-18 20:40:46,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:46,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-18 20:40:46,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:47,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:40:47,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:47,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:47,520 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.24 stem predicates 2 loop predicates [2022-11-18 20:40:47,520 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37 Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:48,037 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37. Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 116 states and 144 transitions. Complement of second has 16 states. [2022-11-18 20:40:48,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 14 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:40:48,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:48,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 76 transitions. [2022-11-18 20:40:48,038 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 76 transitions. Stem has 92 letters. Loop has 2 letters. [2022-11-18 20:40:48,038 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:40:48,038 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:40:48,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:48,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-18 20:40:48,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:48,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:49,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:40:49,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:49,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:49,134 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.24 stem predicates 2 loop predicates [2022-11-18 20:40:49,134 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37 Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:49,671 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37. Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 116 states and 144 transitions. Complement of second has 16 states. [2022-11-18 20:40:49,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 14 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:40:49,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:49,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 76 transitions. [2022-11-18 20:40:49,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 76 transitions. Stem has 92 letters. Loop has 2 letters. [2022-11-18 20:40:49,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:40:49,677 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:40:49,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:49,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-18 20:40:49,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:50,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:40:50,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:50,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:50,888 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.24 stem predicates 2 loop predicates [2022-11-18 20:40:50,888 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37 Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:52,025 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37. Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 206 states and 268 transitions. Complement of second has 41 states. [2022-11-18 20:40:52,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 28 states 24 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:40:52,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:52,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 155 transitions. [2022-11-18 20:40:52,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 155 transitions. Stem has 92 letters. Loop has 2 letters. [2022-11-18 20:40:52,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:40:52,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 155 transitions. Stem has 94 letters. Loop has 2 letters. [2022-11-18 20:40:52,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:40:52,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 155 transitions. Stem has 92 letters. Loop has 4 letters. [2022-11-18 20:40:52,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:40:52,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 206 states and 268 transitions. [2022-11-18 20:40:52,030 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 20:40:52,032 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 206 states to 201 states and 261 transitions. [2022-11-18 20:40:52,032 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-18 20:40:52,032 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-18 20:40:52,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 201 states and 261 transitions. [2022-11-18 20:40:52,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:40:52,033 INFO L218 hiAutomatonCegarLoop]: Abstraction has 201 states and 261 transitions. [2022-11-18 20:40:52,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states and 261 transitions. [2022-11-18 20:40:52,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 117. [2022-11-18 20:40:52,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 117 states have (on average 1.2307692307692308) internal successors, (144), 116 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:52,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 144 transitions. [2022-11-18 20:40:52,036 INFO L240 hiAutomatonCegarLoop]: Abstraction has 117 states and 144 transitions. [2022-11-18 20:40:52,037 INFO L428 stractBuchiCegarLoop]: Abstraction has 117 states and 144 transitions. [2022-11-18 20:40:52,037 INFO L335 stractBuchiCegarLoop]: ======== Iteration 31 ============ [2022-11-18 20:40:52,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 117 states and 144 transitions. [2022-11-18 20:40:52,038 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:40:52,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:40:52,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:40:52,039 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:52,039 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:40:52,039 INFO L748 eck$LassoCheckResult]: Stem: 23094#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 23095#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 23101#L551 assume !(main_~length~0#1 < 1); 23110#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 23104#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 23105#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23096#L556 assume !(main_~val~0#1 < 0); 23097#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23098#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23113#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23114#L556 assume !(main_~val~0#1 < 0); 23154#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23111#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23112#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23153#L556 assume !(main_~val~0#1 < 0); 23152#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23151#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23150#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23149#L556 assume !(main_~val~0#1 < 0); 23148#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23147#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23146#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23145#L556 assume !(main_~val~0#1 < 0); 23144#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23143#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23142#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23141#L556 assume !(main_~val~0#1 < 0); 23140#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23139#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23138#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23137#L556 assume !(main_~val~0#1 < 0); 23136#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23135#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23134#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23133#L556 assume !(main_~val~0#1 < 0); 23132#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23131#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23130#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23129#L556 assume !(main_~val~0#1 < 0); 23128#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23127#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23126#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23125#L556 assume !(main_~val~0#1 < 0); 23124#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23123#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23121#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23122#L556 assume !(main_~val~0#1 < 0); 23210#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23209#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23208#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 23207#L554-4 main_~j~0#1 := 0; 23206#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23204#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23203#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23202#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23115#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23109#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23116#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23099#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23100#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23200#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23199#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23198#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23197#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23195#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23194#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23193#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23192#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23190#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23189#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23188#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23187#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23185#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23184#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23183#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23182#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23180#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23179#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23178#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23177#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23175#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23174#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23173#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23172#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23170#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23169#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23168#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23167#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23165#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23164#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23163#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23162#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23161#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23158#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23157#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23155#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 23107#L562-3 [2022-11-18 20:40:52,039 INFO L750 eck$LassoCheckResult]: Loop: 23107#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23106#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 23107#L562-3 [2022-11-18 20:40:52,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:52,040 INFO L85 PathProgramCache]: Analyzing trace with hash 467367277, now seen corresponding path program 28 times [2022-11-18 20:40:52,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:52,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728366222] [2022-11-18 20:40:52,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:52,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:52,722 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 190 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:52,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:52,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728366222] [2022-11-18 20:40:52,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728366222] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:40:52,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794807225] [2022-11-18 20:40:52,723 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 20:40:52,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:40:52,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:52,731 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:40:52,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (284)] Waiting until timeout for monitored process [2022-11-18 20:40:52,939 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 20:40:52,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:40:52,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-18 20:40:52,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:53,599 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 231 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:53,599 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:40:54,071 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 231 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:54,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794807225] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:40:54,072 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:40:54,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 40 [2022-11-18 20:40:54,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718829541] [2022-11-18 20:40:54,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:40:54,073 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:40:54,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:54,073 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 28 times [2022-11-18 20:40:54,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:54,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609249485] [2022-11-18 20:40:54,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:54,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:54,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:40:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:54,082 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:40:54,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:40:54,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-11-18 20:40:54,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=1258, Unknown=0, NotChecked=0, Total=1640 [2022-11-18 20:40:54,141 INFO L87 Difference]: Start difference. First operand 117 states and 144 transitions. cyclomatic complexity: 41 Second operand has 41 states, 40 states have (on average 3.8) internal successors, (152), 41 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:54,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:54,761 INFO L93 Difference]: Finished difference Result 170 states and 207 transitions. [2022-11-18 20:40:54,761 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 207 transitions. [2022-11-18 20:40:54,762 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:40:54,763 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 113 states and 139 transitions. [2022-11-18 20:40:54,763 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:40:54,763 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:40:54,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 139 transitions. [2022-11-18 20:40:54,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:40:54,764 INFO L218 hiAutomatonCegarLoop]: Abstraction has 113 states and 139 transitions. [2022-11-18 20:40:54,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 139 transitions. [2022-11-18 20:40:54,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 110. [2022-11-18 20:40:54,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 110 states have (on average 1.2272727272727273) internal successors, (135), 109 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:54,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 135 transitions. [2022-11-18 20:40:54,768 INFO L240 hiAutomatonCegarLoop]: Abstraction has 110 states and 135 transitions. [2022-11-18 20:40:54,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-18 20:40:54,768 INFO L428 stractBuchiCegarLoop]: Abstraction has 110 states and 135 transitions. [2022-11-18 20:40:54,768 INFO L335 stractBuchiCegarLoop]: ======== Iteration 32 ============ [2022-11-18 20:40:54,769 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states and 135 transitions. [2022-11-18 20:40:54,769 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:40:54,769 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:40:54,770 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:40:54,770 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [12, 12, 12, 12, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:54,771 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:40:54,771 INFO L748 eck$LassoCheckResult]: Stem: 24021#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 24022#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 24028#L551 assume !(main_~length~0#1 < 1); 24033#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 24031#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 24032#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24023#L556 assume !(main_~val~0#1 < 0); 24024#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24025#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24038#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24039#L556 assume !(main_~val~0#1 < 0); 24130#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24129#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24128#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24127#L556 assume !(main_~val~0#1 < 0); 24126#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24125#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24124#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24123#L556 assume !(main_~val~0#1 < 0); 24122#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24121#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24120#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24119#L556 assume !(main_~val~0#1 < 0); 24118#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24117#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24116#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24115#L556 assume !(main_~val~0#1 < 0); 24114#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24113#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24112#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24111#L556 assume !(main_~val~0#1 < 0); 24110#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24109#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24108#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24107#L556 assume !(main_~val~0#1 < 0); 24106#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24105#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24104#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24103#L556 assume !(main_~val~0#1 < 0); 24102#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24101#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24100#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24099#L556 assume !(main_~val~0#1 < 0); 24098#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24097#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24096#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24095#L556 assume !(main_~val~0#1 < 0); 24094#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24093#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24092#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24048#L556 assume !(main_~val~0#1 < 0); 24051#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24049#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24047#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 24029#L554-4 main_~j~0#1 := 0; 24030#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24040#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24042#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24026#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24027#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24037#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24091#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24090#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24089#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24087#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24086#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24085#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24084#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24082#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24081#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24080#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24079#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24077#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24076#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24075#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24074#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24072#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24071#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24070#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24069#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24067#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24066#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24065#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24064#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24062#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24061#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24060#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24059#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24057#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24056#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24055#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24054#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24053#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24046#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24045#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24043#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 24035#L562-3 [2022-11-18 20:40:54,771 INFO L750 eck$LassoCheckResult]: Loop: 24035#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24034#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 24035#L562-3 [2022-11-18 20:40:54,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:54,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1861662865, now seen corresponding path program 29 times [2022-11-18 20:40:54,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:54,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180410306] [2022-11-18 20:40:54,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:54,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:54,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:40:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:54,861 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:40:54,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:54,862 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 29 times [2022-11-18 20:40:54,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:54,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189892043] [2022-11-18 20:40:54,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:54,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:54,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:40:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:54,872 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:40:54,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:54,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1943347626, now seen corresponding path program 17 times [2022-11-18 20:40:54,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:54,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364493042] [2022-11-18 20:40:54,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:54,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:54,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:40:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:54,971 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:41:15,004 WARN L233 SmtUtils]: Spent 19.98s on a formula simplification. DAG size of input: 423 DAG size of output: 326 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:41:17,356 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:41:17,356 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:41:17,357 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:41:17,357 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:41:17,357 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:41:17,357 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:17,357 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:41:17,357 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:41:17,357 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration32_Lasso [2022-11-18 20:41:17,357 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:41:17,357 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:41:17,360 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:17,363 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:17,365 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:17,367 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:17,370 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:17,371 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:17,374 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:17,376 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:17,378 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:17,380 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:17,383 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:17,386 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:17,388 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:17,391 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:23,374 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:24,210 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:41:24,210 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:41:24,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:24,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:24,216 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:24,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:24,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (285)] Waiting until timeout for monitored process [2022-11-18 20:41:24,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:24,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:24,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:24,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:24,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:41:24,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:41:24,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:24,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (285)] Forceful destruction successful, exit code 0 [2022-11-18 20:41:24,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:24,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:24,264 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:24,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Waiting until timeout for monitored process [2022-11-18 20:41:24,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:24,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:24,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:41:24,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:24,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:24,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:24,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:41:24,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:41:24,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:24,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Ended with exit code 0 [2022-11-18 20:41:24,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:24,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:24,288 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:24,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Waiting until timeout for monitored process [2022-11-18 20:41:24,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:24,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:24,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:41:24,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:24,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:24,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:24,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:41:24,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:41:24,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:24,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Forceful destruction successful, exit code 0 [2022-11-18 20:41:24,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:24,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:24,341 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:24,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:24,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Waiting until timeout for monitored process [2022-11-18 20:41:24,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:24,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:41:24,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:24,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:24,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:24,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:41:24,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:41:24,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:24,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Forceful destruction successful, exit code 0 [2022-11-18 20:41:24,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:24,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:24,388 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:24,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:24,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Waiting until timeout for monitored process [2022-11-18 20:41:24,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:24,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:41:24,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:24,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:24,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:24,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:41:24,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:41:24,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:24,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Forceful destruction successful, exit code 0 [2022-11-18 20:41:24,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:24,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:24,440 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:24,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:24,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Waiting until timeout for monitored process [2022-11-18 20:41:24,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:24,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:41:24,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:24,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:24,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:24,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:41:24,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:41:24,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:24,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Forceful destruction successful, exit code 0 [2022-11-18 20:41:24,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:24,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:24,488 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:24,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:24,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Waiting until timeout for monitored process [2022-11-18 20:41:24,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:24,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:41:24,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:24,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:24,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:24,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:41:24,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:41:24,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:24,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Forceful destruction successful, exit code 0 [2022-11-18 20:41:24,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:24,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:24,540 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:24,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:24,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Waiting until timeout for monitored process [2022-11-18 20:41:24,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:24,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:41:24,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:24,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:24,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:24,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:41:24,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:41:24,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:24,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Forceful destruction successful, exit code 0 [2022-11-18 20:41:24,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:24,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:24,588 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:24,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:24,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Waiting until timeout for monitored process [2022-11-18 20:41:24,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:24,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:24,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:24,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:24,608 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:41:24,608 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:41:24,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:24,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Forceful destruction successful, exit code 0 [2022-11-18 20:41:24,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:24,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:24,647 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:24,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:24,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Waiting until timeout for monitored process [2022-11-18 20:41:24,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:24,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:24,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:24,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:24,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:41:24,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:41:24,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:24,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Forceful destruction successful, exit code 0 [2022-11-18 20:41:24,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:24,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:24,676 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:24,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Waiting until timeout for monitored process [2022-11-18 20:41:24,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:24,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:24,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:24,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:24,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:24,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:41:24,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:41:24,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:24,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Ended with exit code 0 [2022-11-18 20:41:24,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:24,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:24,700 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:24,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Waiting until timeout for monitored process [2022-11-18 20:41:24,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:24,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:24,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:24,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:24,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:24,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:41:24,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:41:24,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:24,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Ended with exit code 0 [2022-11-18 20:41:24,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:24,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:24,724 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:24,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Waiting until timeout for monitored process [2022-11-18 20:41:24,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:24,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:24,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:24,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:24,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:24,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:41:24,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:41:24,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:24,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Ended with exit code 0 [2022-11-18 20:41:24,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:24,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:24,748 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:24,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Waiting until timeout for monitored process [2022-11-18 20:41:24,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:24,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:24,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:24,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:24,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:24,765 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:41:24,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:41:24,774 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:41:24,785 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-18 20:41:24,785 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-18 20:41:24,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:24,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:24,787 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:24,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Waiting until timeout for monitored process [2022-11-18 20:41:24,789 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:41:24,801 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:41:24,801 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:41:24,801 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~i~0#1 4) (- 8)))_8) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~i~0#1 4) (- 8)))_8 Supporting invariants [] [2022-11-18 20:41:24,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Ended with exit code 0 [2022-11-18 20:41:24,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Ended with exit code 0 [2022-11-18 20:41:25,069 INFO L156 tatePredicateManager]: 44 out of 45 supporting invariants were superfluous and have been removed [2022-11-18 20:41:25,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:25,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-18 20:41:25,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:41:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:26,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:41:26,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:41:26,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:41:26,132 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.25 stem predicates 2 loop predicates [2022-11-18 20:41:26,133 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38 Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:26,781 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38. Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 120 states and 149 transitions. Complement of second has 17 states. [2022-11-18 20:41:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 15 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:41:26,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:26,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 81 transitions. [2022-11-18 20:41:26,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 81 transitions. Stem has 96 letters. Loop has 2 letters. [2022-11-18 20:41:26,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:41:26,783 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:41:26,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:26,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-18 20:41:26,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:41:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:27,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:41:27,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:41:27,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:41:27,881 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.25 stem predicates 2 loop predicates [2022-11-18 20:41:27,882 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38 Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:28,430 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38. Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 120 states and 149 transitions. Complement of second has 17 states. [2022-11-18 20:41:28,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 15 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:41:28,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:28,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 81 transitions. [2022-11-18 20:41:28,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 81 transitions. Stem has 96 letters. Loop has 2 letters. [2022-11-18 20:41:28,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:41:28,434 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:41:28,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:28,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-18 20:41:28,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:41:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:29,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:41:29,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:41:29,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:41:29,553 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.25 stem predicates 2 loop predicates [2022-11-18 20:41:29,553 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38 Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:30,676 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38. Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 210 states and 273 transitions. Complement of second has 42 states. [2022-11-18 20:41:30,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 29 states 25 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:41:30,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:30,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 160 transitions. [2022-11-18 20:41:30,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 160 transitions. Stem has 96 letters. Loop has 2 letters. [2022-11-18 20:41:30,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:41:30,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 160 transitions. Stem has 98 letters. Loop has 2 letters. [2022-11-18 20:41:30,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:41:30,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 160 transitions. Stem has 96 letters. Loop has 4 letters. [2022-11-18 20:41:30,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:41:30,680 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 210 states and 273 transitions. [2022-11-18 20:41:30,681 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 20:41:30,683 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 210 states to 205 states and 266 transitions. [2022-11-18 20:41:30,683 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-18 20:41:30,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-18 20:41:30,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 205 states and 266 transitions. [2022-11-18 20:41:30,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:41:30,684 INFO L218 hiAutomatonCegarLoop]: Abstraction has 205 states and 266 transitions. [2022-11-18 20:41:30,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states and 266 transitions. [2022-11-18 20:41:30,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 121. [2022-11-18 20:41:30,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 121 states have (on average 1.2314049586776858) internal successors, (149), 120 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:30,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 149 transitions. [2022-11-18 20:41:30,687 INFO L240 hiAutomatonCegarLoop]: Abstraction has 121 states and 149 transitions. [2022-11-18 20:41:30,688 INFO L428 stractBuchiCegarLoop]: Abstraction has 121 states and 149 transitions. [2022-11-18 20:41:30,688 INFO L335 stractBuchiCegarLoop]: ======== Iteration 33 ============ [2022-11-18 20:41:30,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 149 transitions. [2022-11-18 20:41:30,689 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:41:30,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:41:30,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:41:30,690 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [12, 12, 12, 12, 12, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:41:30,690 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:41:30,690 INFO L748 eck$LassoCheckResult]: Stem: 25869#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 25870#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 25878#L551 assume !(main_~length~0#1 < 1); 25885#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 25879#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 25880#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25871#L556 assume !(main_~val~0#1 < 0); 25872#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25873#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25888#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25889#L556 assume !(main_~val~0#1 < 0); 25933#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25886#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25887#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25932#L556 assume !(main_~val~0#1 < 0); 25931#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25930#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25929#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25928#L556 assume !(main_~val~0#1 < 0); 25927#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25926#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25925#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25924#L556 assume !(main_~val~0#1 < 0); 25923#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25922#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25921#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25920#L556 assume !(main_~val~0#1 < 0); 25919#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25918#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25917#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25916#L556 assume !(main_~val~0#1 < 0); 25915#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25914#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25913#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25912#L556 assume !(main_~val~0#1 < 0); 25911#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25910#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25909#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25908#L556 assume !(main_~val~0#1 < 0); 25907#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25906#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25905#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25904#L556 assume !(main_~val~0#1 < 0); 25903#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25902#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25901#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25900#L556 assume !(main_~val~0#1 < 0); 25899#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25898#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25896#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25897#L556 assume !(main_~val~0#1 < 0); 25989#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25988#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25987#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 25986#L554-4 main_~j~0#1 := 0; 25985#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25983#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25982#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25981#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25890#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25884#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25891#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25874#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25875#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25979#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25978#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25977#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25976#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25974#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25973#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25972#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25971#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25969#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25968#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25967#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25966#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25964#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25963#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25962#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25961#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25959#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25958#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25957#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25956#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25954#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25953#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25952#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25951#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25949#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25948#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25947#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25946#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25944#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25943#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25942#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25941#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25940#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25937#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25936#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25934#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 25882#L562-3 [2022-11-18 20:41:30,690 INFO L750 eck$LassoCheckResult]: Loop: 25882#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25881#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 25882#L562-3 [2022-11-18 20:41:30,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:30,691 INFO L85 PathProgramCache]: Analyzing trace with hash 753705062, now seen corresponding path program 30 times [2022-11-18 20:41:30,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:41:30,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135541368] [2022-11-18 20:41:30,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:30,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:41:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:41:30,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:41:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:41:30,794 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:41:30,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:30,795 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 30 times [2022-11-18 20:41:30,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:41:30,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152087793] [2022-11-18 20:41:30,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:30,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:41:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:41:30,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:41:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:41:30,804 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:41:30,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:30,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1538906901, now seen corresponding path program 18 times [2022-11-18 20:41:30,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:41:30,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884488032] [2022-11-18 20:41:30,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:30,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:41:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:41:30,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:41:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:41:30,895 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:41:52,867 WARN L233 SmtUtils]: Spent 21.91s on a formula simplification. DAG size of input: 437 DAG size of output: 333 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:41:54,119 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:41:54,120 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:41:54,120 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:41:54,120 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:41:54,120 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:41:54,120 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:54,120 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:41:54,120 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:41:54,120 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration33_Lasso [2022-11-18 20:41:54,120 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:41:54,120 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:41:54,123 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:54,127 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:54,129 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:54,131 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:56,701 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:56,703 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:56,705 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:56,707 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:56,709 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:56,711 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:56,713 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:56,718 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:56,720 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:56,723 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:41:57,351 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:41:57,351 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:41:57,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:57,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:57,352 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:57,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Waiting until timeout for monitored process [2022-11-18 20:41:57,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:57,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:57,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:57,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:57,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:57,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:41:57,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:41:57,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:57,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Ended with exit code 0 [2022-11-18 20:41:57,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:57,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:57,376 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:57,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Waiting until timeout for monitored process [2022-11-18 20:41:57,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:57,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:57,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:41:57,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:57,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:57,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:57,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:41:57,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:41:57,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:57,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Ended with exit code 0 [2022-11-18 20:41:57,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:57,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:57,397 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:57,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Waiting until timeout for monitored process [2022-11-18 20:41:57,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:57,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:57,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:41:57,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:57,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:57,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:57,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:41:57,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:41:57,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:57,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Ended with exit code 0 [2022-11-18 20:41:57,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:57,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:57,418 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:57,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Waiting until timeout for monitored process [2022-11-18 20:41:57,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:57,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:57,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:57,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:57,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:57,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:41:57,434 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:41:57,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:57,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Ended with exit code 0 [2022-11-18 20:41:57,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:57,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:57,443 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:57,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (304)] Waiting until timeout for monitored process [2022-11-18 20:41:57,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:57,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:57,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:57,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:57,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:57,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:41:57,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:41:57,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:57,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (304)] Forceful destruction successful, exit code 0 [2022-11-18 20:41:57,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:57,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:57,468 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:57,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Waiting until timeout for monitored process [2022-11-18 20:41:57,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:57,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:57,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:57,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:57,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:57,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:41:57,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:41:57,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:57,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Ended with exit code 0 [2022-11-18 20:41:57,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:57,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:57,507 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:57,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Waiting until timeout for monitored process [2022-11-18 20:41:57,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:57,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:57,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:57,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:57,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:57,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:41:57,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:41:57,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:57,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Ended with exit code 0 [2022-11-18 20:41:57,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:57,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:57,531 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:57,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Waiting until timeout for monitored process [2022-11-18 20:41:57,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:57,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:57,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:57,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:57,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:57,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:41:57,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:41:57,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:57,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Ended with exit code 0 [2022-11-18 20:41:57,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:57,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:57,554 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:57,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Waiting until timeout for monitored process [2022-11-18 20:41:57,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:57,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:57,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:57,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:57,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:57,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:41:57,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:41:57,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:57,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Ended with exit code 0 [2022-11-18 20:41:57,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:57,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:57,578 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:57,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Waiting until timeout for monitored process [2022-11-18 20:41:57,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:57,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:57,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:57,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:57,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:57,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:41:57,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:41:57,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:57,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Ended with exit code 0 [2022-11-18 20:41:57,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:57,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:57,603 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:57,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Waiting until timeout for monitored process [2022-11-18 20:41:57,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:57,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:57,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:57,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:57,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:57,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:41:57,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:41:57,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:57,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Ended with exit code 0 [2022-11-18 20:41:57,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:57,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:57,629 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:57,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Waiting until timeout for monitored process [2022-11-18 20:41:57,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:57,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:57,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:57,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:57,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:57,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:41:57,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:41:57,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:57,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Ended with exit code 0 [2022-11-18 20:41:57,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:57,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:57,654 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:57,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Waiting until timeout for monitored process [2022-11-18 20:41:57,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:57,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:57,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:57,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:57,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:57,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:41:57,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:41:57,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:41:57,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Ended with exit code 0 [2022-11-18 20:41:57,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:57,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:57,678 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:57,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Waiting until timeout for monitored process [2022-11-18 20:41:57,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:41:57,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:41:57,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:41:57,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:41:57,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:41:57,696 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:41:57,696 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:41:57,706 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:41:57,718 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-18 20:41:57,718 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-18 20:41:57,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:41:57,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:57,719 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:41:57,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Waiting until timeout for monitored process [2022-11-18 20:41:57,722 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:41:57,734 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:41:57,734 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:41:57,734 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 44 ULTIMATE.start_main_~arr~0#1.offset))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 44 ULTIMATE.start_main_~arr~0#1.offset))_1 Supporting invariants [] [2022-11-18 20:41:57,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Forceful destruction successful, exit code 0 [2022-11-18 20:41:57,797 INFO L156 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2022-11-18 20:41:57,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:57,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-18 20:41:57,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:41:58,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Forceful destruction successful, exit code 0 [2022-11-18 20:41:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:58,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:41:58,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:41:58,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:41:58,418 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.13 stem predicates 2 loop predicates [2022-11-18 20:41:58,418 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42 Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:58,451 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42. Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 123 states and 153 transitions. Complement of second has 4 states. [2022-11-18 20:41:58,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:41:58,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:58,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:41:58,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-18 20:41:58,455 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:41:58,455 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:41:58,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:58,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-18 20:41:58,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:41:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:59,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:41:59,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:41:59,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:41:59,038 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.13 stem predicates 2 loop predicates [2022-11-18 20:41:59,038 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42 Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:59,082 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42. Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 123 states and 153 transitions. Complement of second has 4 states. [2022-11-18 20:41:59,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:41:59,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:59,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:41:59,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-18 20:41:59,083 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:41:59,083 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:41:59,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:59,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-18 20:41:59,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:41:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:59,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:41:59,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:41:59,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:41:59,588 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.13 stem predicates 2 loop predicates [2022-11-18 20:41:59,588 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42 Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:00,078 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42. Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 213 states and 277 transitions. Complement of second has 30 states. [2022-11-18 20:42:00,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 17 states 13 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:42:00,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:00,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 93 transitions. [2022-11-18 20:42:00,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 93 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-18 20:42:00,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:42:00,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 93 transitions. Stem has 102 letters. Loop has 2 letters. [2022-11-18 20:42:00,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:42:00,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 93 transitions. Stem has 100 letters. Loop has 4 letters. [2022-11-18 20:42:00,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:42:00,081 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 213 states and 277 transitions. [2022-11-18 20:42:00,082 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 20:42:00,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 213 states to 208 states and 270 transitions. [2022-11-18 20:42:00,083 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-18 20:42:00,083 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-18 20:42:00,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 208 states and 270 transitions. [2022-11-18 20:42:00,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:42:00,084 INFO L218 hiAutomatonCegarLoop]: Abstraction has 208 states and 270 transitions. [2022-11-18 20:42:00,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states and 270 transitions. [2022-11-18 20:42:00,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 178. [2022-11-18 20:42:00,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 178 states have (on average 1.2303370786516854) internal successors, (219), 177 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:00,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 219 transitions. [2022-11-18 20:42:00,090 INFO L240 hiAutomatonCegarLoop]: Abstraction has 178 states and 219 transitions. [2022-11-18 20:42:00,090 INFO L428 stractBuchiCegarLoop]: Abstraction has 178 states and 219 transitions. [2022-11-18 20:42:00,091 INFO L335 stractBuchiCegarLoop]: ======== Iteration 34 ============ [2022-11-18 20:42:00,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 178 states and 219 transitions. [2022-11-18 20:42:00,092 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:42:00,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:42:00,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:42:00,093 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [13, 13, 13, 13, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:42:00,093 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:42:00,093 INFO L748 eck$LassoCheckResult]: Stem: 27542#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 27543#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 27549#L551 assume !(main_~length~0#1 < 1); 27554#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 27552#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 27553#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27544#L556 assume !(main_~val~0#1 < 0); 27545#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27546#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27561#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27562#L556 assume !(main_~val~0#1 < 0); 27607#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27559#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27560#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27606#L556 assume !(main_~val~0#1 < 0); 27605#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27604#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27603#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27602#L556 assume !(main_~val~0#1 < 0); 27601#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27600#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27599#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27598#L556 assume !(main_~val~0#1 < 0); 27597#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27596#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27595#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27594#L556 assume !(main_~val~0#1 < 0); 27593#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27592#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27591#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27590#L556 assume !(main_~val~0#1 < 0); 27589#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27588#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27587#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27586#L556 assume !(main_~val~0#1 < 0); 27585#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27584#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27583#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27582#L556 assume !(main_~val~0#1 < 0); 27581#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27580#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27579#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27578#L556 assume !(main_~val~0#1 < 0); 27577#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27576#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27575#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27574#L556 assume !(main_~val~0#1 < 0); 27573#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27572#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27571#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27570#L556 assume !(main_~val~0#1 < 0); 27569#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27568#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27566#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27567#L556 assume !(main_~val~0#1 < 0); 27674#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27673#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27672#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 27671#L554-4 main_~j~0#1 := 0; 27670#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27668#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27667#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27666#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27665#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27663#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27662#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27661#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27660#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27658#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27657#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27656#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27655#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27653#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27652#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27651#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27650#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27648#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27647#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27646#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27645#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27643#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27642#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27641#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27640#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27638#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27637#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27636#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27635#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27632#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27631#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27630#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27629#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27627#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27625#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27623#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27622#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27620#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27619#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27618#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27608#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 27556#L562-3 [2022-11-18 20:42:00,094 INFO L750 eck$LassoCheckResult]: Loop: 27556#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27555#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 27556#L562-3 [2022-11-18 20:42:00,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:00,094 INFO L85 PathProgramCache]: Analyzing trace with hash -2146966646, now seen corresponding path program 31 times [2022-11-18 20:42:00,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:42:00,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823410950] [2022-11-18 20:42:00,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:00,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:42:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:42:00,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:42:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:42:00,197 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:42:00,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:00,198 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 31 times [2022-11-18 20:42:00,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:42:00,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873882765] [2022-11-18 20:42:00,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:00,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:42:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:42:00,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:42:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:42:00,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:42:00,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:00,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1650643185, now seen corresponding path program 19 times [2022-11-18 20:42:00,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:42:00,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451645246] [2022-11-18 20:42:00,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:00,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:42:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:42:00,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:42:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:42:00,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:42:41,753 WARN L233 SmtUtils]: Spent 41.36s on a formula simplification. DAG size of input: 442 DAG size of output: 338 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:42:43,071 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:42:43,071 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:42:43,071 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:42:43,071 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:42:43,071 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:42:43,071 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:43,071 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:42:43,071 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:42:43,071 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration34_Lasso [2022-11-18 20:42:43,071 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:42:43,071 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:42:43,075 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:42:43,081 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:42:43,084 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:42:43,086 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:42:43,088 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:42:43,090 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:42:43,093 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:42:43,096 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:42:43,098 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:42:43,100 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:42:43,103 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:42:43,105 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:42:46,923 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:42:46,925 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:42:47,860 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:42:47,861 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:42:47,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:47,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:47,862 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:47,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Waiting until timeout for monitored process [2022-11-18 20:42:47,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:42:47,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:42:47,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:42:47,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:42:47,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:42:47,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:42:47,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:42:47,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:42:47,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Forceful destruction successful, exit code 0 [2022-11-18 20:42:47,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:47,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:47,887 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:47,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Waiting until timeout for monitored process [2022-11-18 20:42:47,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:42:47,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:42:47,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:42:47,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:42:47,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:42:47,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:42:47,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:42:47,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:42:47,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:42:47,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Ended with exit code 0 [2022-11-18 20:42:47,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:47,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:47,908 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:47,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Waiting until timeout for monitored process [2022-11-18 20:42:47,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:42:47,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:42:47,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:42:47,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:42:47,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:42:47,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:42:47,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:42:47,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:42:47,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:42:47,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Ended with exit code 0 [2022-11-18 20:42:47,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:47,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:47,929 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:47,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Waiting until timeout for monitored process [2022-11-18 20:42:47,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:42:47,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:42:47,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:42:47,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:42:47,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:42:47,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:42:47,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:42:47,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:42:47,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Ended with exit code 0 [2022-11-18 20:42:47,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:47,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:47,953 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:47,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Waiting until timeout for monitored process [2022-11-18 20:42:47,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:42:47,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:42:47,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:42:47,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:42:47,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:42:47,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:42:47,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:42:47,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:42:47,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:42:47,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Ended with exit code 0 [2022-11-18 20:42:47,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:47,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:47,973 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:47,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Waiting until timeout for monitored process [2022-11-18 20:42:47,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:42:47,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:42:47,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:42:47,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:42:47,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:42:47,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:42:47,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:42:47,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:42:47,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Ended with exit code 0 [2022-11-18 20:42:47,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:47,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:47,998 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:47,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Waiting until timeout for monitored process [2022-11-18 20:42:48,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:42:48,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:42:48,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:42:48,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:42:48,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:42:48,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:42:48,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:42:48,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:42:48,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Ended with exit code 0 [2022-11-18 20:42:48,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:48,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:48,021 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:48,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Waiting until timeout for monitored process [2022-11-18 20:42:48,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:42:48,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:42:48,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:42:48,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:42:48,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:42:48,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:42:48,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:42:48,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:42:48,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:42:48,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Ended with exit code 0 [2022-11-18 20:42:48,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:48,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:48,042 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:48,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Waiting until timeout for monitored process [2022-11-18 20:42:48,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:42:48,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:42:48,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:42:48,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:42:48,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:42:48,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:42:48,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:42:48,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:42:48,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:42:48,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Ended with exit code 0 [2022-11-18 20:42:48,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:48,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:48,063 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:48,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Waiting until timeout for monitored process [2022-11-18 20:42:48,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:42:48,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:42:48,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:42:48,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:42:48,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:42:48,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:42:48,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:42:48,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:42:48,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Ended with exit code 0 [2022-11-18 20:42:48,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:48,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:48,088 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:48,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (325)] Waiting until timeout for monitored process [2022-11-18 20:42:48,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:42:48,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:42:48,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:42:48,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:42:48,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:42:48,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:42:48,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:42:48,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:42:48,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:42:48,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (325)] Forceful destruction successful, exit code 0 [2022-11-18 20:42:48,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:48,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:48,110 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:48,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Waiting until timeout for monitored process [2022-11-18 20:42:48,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:42:48,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:42:48,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:42:48,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:42:48,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:42:48,127 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:42:48,127 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:42:48,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:42:48,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Ended with exit code 0 [2022-11-18 20:42:48,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:48,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:48,138 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:48,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Waiting until timeout for monitored process [2022-11-18 20:42:48,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:42:48,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:42:48,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:42:48,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:42:48,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:42:48,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:42:48,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:42:48,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:42:48,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Ended with exit code 0 [2022-11-18 20:42:48,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:48,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:48,172 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:48,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Waiting until timeout for monitored process [2022-11-18 20:42:48,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:42:48,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:42:48,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:42:48,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:42:48,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:42:48,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:42:48,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:42:48,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:42:48,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Ended with exit code 0 [2022-11-18 20:42:48,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:48,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:48,204 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:48,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Waiting until timeout for monitored process [2022-11-18 20:42:48,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:42:48,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:42:48,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:42:48,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:42:48,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:42:48,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:42:48,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:42:48,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:42:48,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Forceful destruction successful, exit code 0 [2022-11-18 20:42:48,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:48,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:48,244 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:48,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Waiting until timeout for monitored process [2022-11-18 20:42:48,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:42:48,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:42:48,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:42:48,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:42:48,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:42:48,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:42:48,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:42:48,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:42:48,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Forceful destruction successful, exit code 0 [2022-11-18 20:42:48,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:48,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:48,273 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:48,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Waiting until timeout for monitored process [2022-11-18 20:42:48,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:42:48,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:42:48,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:42:48,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:42:48,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:42:48,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:42:48,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:42:48,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:42:48,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Ended with exit code 0 [2022-11-18 20:42:48,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:48,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:48,304 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:48,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Waiting until timeout for monitored process [2022-11-18 20:42:48,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:42:48,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:42:48,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:42:48,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:42:48,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:42:48,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:42:48,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:42:48,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:42:48,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Forceful destruction successful, exit code 0 [2022-11-18 20:42:48,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:48,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:48,336 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:48,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Waiting until timeout for monitored process [2022-11-18 20:42:48,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:42:48,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:42:48,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:42:48,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:42:48,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:42:48,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:42:48,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:42:48,364 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:42:48,382 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-18 20:42:48,382 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-18 20:42:48,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:42:48,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:48,383 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:42:48,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Waiting until timeout for monitored process [2022-11-18 20:42:48,386 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:42:48,399 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:42:48,399 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:42:48,400 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 12) (* ULTIMATE.start_main_~i~0#1 4)))_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 12) (* ULTIMATE.start_main_~i~0#1 4)))_3 Supporting invariants [] [2022-11-18 20:42:48,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Ended with exit code 0 [2022-11-18 20:42:48,691 INFO L156 tatePredicateManager]: 48 out of 49 supporting invariants were superfluous and have been removed [2022-11-18 20:42:48,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:48,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-18 20:42:48,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:42:49,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Forceful destruction successful, exit code 0 [2022-11-18 20:42:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:49,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:42:49,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:42:49,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:42:49,995 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.26 stem predicates 2 loop predicates [2022-11-18 20:42:49,996 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67 Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:50,740 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67. Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 189 states and 235 transitions. Complement of second has 18 states. [2022-11-18 20:42:50,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 17 states 16 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:42:50,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:50,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 89 transitions. [2022-11-18 20:42:50,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 89 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-18 20:42:50,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:42:50,748 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:42:50,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:50,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-18 20:42:50,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:42:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:51,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:42:51,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:42:52,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:42:52,008 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.26 stem predicates 2 loop predicates [2022-11-18 20:42:52,009 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67 Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:52,573 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67. Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 189 states and 235 transitions. Complement of second has 18 states. [2022-11-18 20:42:52,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 17 states 16 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:42:52,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:52,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 89 transitions. [2022-11-18 20:42:52,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 89 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-18 20:42:52,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:42:52,575 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:42:52,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:52,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-18 20:42:52,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:42:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:53,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:42:53,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:42:53,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:42:53,816 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.26 stem predicates 2 loop predicates [2022-11-18 20:42:53,817 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67 Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:55,001 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67. Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 311 states and 408 transitions. Complement of second has 44 states. [2022-11-18 20:42:55,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 30 states 26 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:42:55,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:55,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 173 transitions. [2022-11-18 20:42:55,003 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 173 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-18 20:42:55,003 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:42:55,003 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 173 transitions. Stem has 102 letters. Loop has 2 letters. [2022-11-18 20:42:55,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:42:55,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 173 transitions. Stem has 100 letters. Loop has 4 letters. [2022-11-18 20:42:55,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:42:55,004 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 311 states and 408 transitions. [2022-11-18 20:42:55,006 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-18 20:42:55,008 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 311 states to 306 states and 401 transitions. [2022-11-18 20:42:55,008 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2022-11-18 20:42:55,008 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-11-18 20:42:55,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 306 states and 401 transitions. [2022-11-18 20:42:55,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:42:55,009 INFO L218 hiAutomatonCegarLoop]: Abstraction has 306 states and 401 transitions. [2022-11-18 20:42:55,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states and 401 transitions. [2022-11-18 20:42:55,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 182. [2022-11-18 20:42:55,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 182 states have (on average 1.2362637362637363) internal successors, (225), 181 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:55,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 225 transitions. [2022-11-18 20:42:55,014 INFO L240 hiAutomatonCegarLoop]: Abstraction has 182 states and 225 transitions. [2022-11-18 20:42:55,014 INFO L428 stractBuchiCegarLoop]: Abstraction has 182 states and 225 transitions. [2022-11-18 20:42:55,015 INFO L335 stractBuchiCegarLoop]: ======== Iteration 35 ============ [2022-11-18 20:42:55,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 182 states and 225 transitions. [2022-11-18 20:42:55,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:42:55,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:42:55,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:42:55,036 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [13, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:42:55,036 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:42:55,037 INFO L748 eck$LassoCheckResult]: Stem: 29759#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 29760#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 29766#L551 assume !(main_~length~0#1 < 1); 29775#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 29769#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 29770#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29761#L556 assume !(main_~val~0#1 < 0); 29762#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29763#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29778#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29779#L556 assume !(main_~val~0#1 < 0); 29826#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29776#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29777#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29825#L556 assume !(main_~val~0#1 < 0); 29824#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29823#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29822#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29821#L556 assume !(main_~val~0#1 < 0); 29820#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29819#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29818#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29817#L556 assume !(main_~val~0#1 < 0); 29816#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29815#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29814#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29813#L556 assume !(main_~val~0#1 < 0); 29812#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29811#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29810#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29809#L556 assume !(main_~val~0#1 < 0); 29808#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29807#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29806#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29805#L556 assume !(main_~val~0#1 < 0); 29804#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29803#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29802#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29801#L556 assume !(main_~val~0#1 < 0); 29800#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29799#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29798#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29797#L556 assume !(main_~val~0#1 < 0); 29796#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29795#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29794#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29793#L556 assume !(main_~val~0#1 < 0); 29792#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29791#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29789#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29790#L556 assume !(main_~val~0#1 < 0); 29786#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29787#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29782#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 29767#L554-4 main_~j~0#1 := 0; 29768#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29780#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29939#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29764#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29765#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29774#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29781#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29938#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29937#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29935#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29934#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29933#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29932#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29930#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29929#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29928#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29927#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29925#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29924#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29923#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29922#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29920#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29919#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29918#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29917#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29915#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29914#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29913#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29912#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29910#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29909#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29908#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29907#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29905#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29904#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29903#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29902#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29900#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29899#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29898#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29897#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29894#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29893#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29892#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29836#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29832#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29831#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29829#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29830#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 29772#L562-3 [2022-11-18 20:42:55,037 INFO L750 eck$LassoCheckResult]: Loop: 29772#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29771#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 29772#L562-3 [2022-11-18 20:42:55,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:55,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1420782149, now seen corresponding path program 32 times [2022-11-18 20:42:55,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:42:55,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436305620] [2022-11-18 20:42:55,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:55,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:42:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:55,850 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 231 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:42:55,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:42:55,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436305620] [2022-11-18 20:42:55,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436305620] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:42:55,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577887679] [2022-11-18 20:42:55,850 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:42:55,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:42:55,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:55,852 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:42:55,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (335)] Waiting until timeout for monitored process [2022-11-18 20:42:56,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:42:56,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:42:56,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-18 20:42:56,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:42:56,881 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 276 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:42:56,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:42:57,413 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 276 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:42:57,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577887679] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:42:57,413 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:42:57,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 43 [2022-11-18 20:42:57,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560870683] [2022-11-18 20:42:57,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:42:57,415 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:42:57,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:57,415 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 32 times [2022-11-18 20:42:57,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:42:57,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948406969] [2022-11-18 20:42:57,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:57,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:42:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:42:57,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:42:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:42:57,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:42:57,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:42:57,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-11-18 20:42:57,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=439, Invalid=1453, Unknown=0, NotChecked=0, Total=1892 [2022-11-18 20:42:57,474 INFO L87 Difference]: Start difference. First operand 182 states and 225 transitions. cyclomatic complexity: 69 Second operand has 44 states, 43 states have (on average 3.813953488372093) internal successors, (164), 44 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:58,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:42:58,092 INFO L93 Difference]: Finished difference Result 244 states and 298 transitions. [2022-11-18 20:42:58,092 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 244 states and 298 transitions. [2022-11-18 20:42:58,093 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:42:58,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 244 states to 182 states and 224 transitions. [2022-11-18 20:42:58,094 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-18 20:42:58,095 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-18 20:42:58,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 182 states and 224 transitions. [2022-11-18 20:42:58,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:42:58,095 INFO L218 hiAutomatonCegarLoop]: Abstraction has 182 states and 224 transitions. [2022-11-18 20:42:58,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states and 224 transitions. [2022-11-18 20:42:58,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-11-18 20:42:58,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 182 states have (on average 1.2307692307692308) internal successors, (224), 181 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:58,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 224 transitions. [2022-11-18 20:42:58,099 INFO L240 hiAutomatonCegarLoop]: Abstraction has 182 states and 224 transitions. [2022-11-18 20:42:58,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-18 20:42:58,100 INFO L428 stractBuchiCegarLoop]: Abstraction has 182 states and 224 transitions. [2022-11-18 20:42:58,100 INFO L335 stractBuchiCegarLoop]: ======== Iteration 36 ============ [2022-11-18 20:42:58,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 182 states and 224 transitions. [2022-11-18 20:42:58,101 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:42:58,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:42:58,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:42:58,102 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [14, 14, 14, 14, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:42:58,102 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:42:58,102 INFO L748 eck$LassoCheckResult]: Stem: 30878#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 30879#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 30886#L551 assume !(main_~length~0#1 < 1); 30895#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 30889#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 30890#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30880#L556 assume !(main_~val~0#1 < 0); 30881#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30952#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30897#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30898#L556 assume !(main_~val~0#1 < 0); 30882#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30883#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30896#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30951#L556 assume !(main_~val~0#1 < 0); 30950#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30949#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30948#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30947#L556 assume !(main_~val~0#1 < 0); 30946#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30945#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30944#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30943#L556 assume !(main_~val~0#1 < 0); 30942#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30941#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30940#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30939#L556 assume !(main_~val~0#1 < 0); 30938#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30937#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30936#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30935#L556 assume !(main_~val~0#1 < 0); 30934#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30933#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30932#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30931#L556 assume !(main_~val~0#1 < 0); 30930#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30929#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30928#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30927#L556 assume !(main_~val~0#1 < 0); 30926#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30925#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30924#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30923#L556 assume !(main_~val~0#1 < 0); 30922#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30921#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30920#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30919#L556 assume !(main_~val~0#1 < 0); 30918#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30917#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30916#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30915#L556 assume !(main_~val~0#1 < 0); 30914#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30913#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30912#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30911#L556 assume !(main_~val~0#1 < 0); 30910#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30909#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30905#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30906#L556 assume !(main_~val~0#1 < 0); 31012#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 31011#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 31010#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 31009#L554-4 main_~j~0#1 := 0; 31008#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 31006#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31005#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 31004#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 31003#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 31001#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31000#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30999#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30998#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 30996#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30995#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30994#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30993#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 30991#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30990#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30989#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30988#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 30986#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30985#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30984#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30983#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 30981#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30980#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30979#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30978#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 30976#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30975#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30974#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30973#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 30971#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30970#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30969#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30968#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 30966#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30965#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30963#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30961#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 30953#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30907#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30908#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30901#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 30892#L562-3 [2022-11-18 20:42:58,103 INFO L750 eck$LassoCheckResult]: Loop: 30892#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30891#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 30892#L562-3 [2022-11-18 20:42:58,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:58,103 INFO L85 PathProgramCache]: Analyzing trace with hash -30873085, now seen corresponding path program 33 times [2022-11-18 20:42:58,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:42:58,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553495322] [2022-11-18 20:42:58,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:58,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:42:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:42:58,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:42:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:42:58,192 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:42:58,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:58,193 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 33 times [2022-11-18 20:42:58,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:42:58,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092840851] [2022-11-18 20:42:58,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:58,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:42:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:42:58,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:42:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:42:58,202 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:42:58,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:58,202 INFO L85 PathProgramCache]: Analyzing trace with hash 395737928, now seen corresponding path program 20 times [2022-11-18 20:42:58,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:42:58,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596577316] [2022-11-18 20:42:58,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:58,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:42:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:42:58,254 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:42:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:42:58,300 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:43:53,389 WARN L233 SmtUtils]: Spent 55.04s on a formula simplification. DAG size of input: 461 DAG size of output: 353 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:43:55,620 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:43:55,620 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:43:55,620 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:43:55,620 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:43:55,621 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:43:55,621 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:43:55,621 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:43:55,621 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:43:55,621 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration36_Lasso [2022-11-18 20:43:55,621 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:43:55,621 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:43:55,624 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:43:55,627 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:43:55,630 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:43:59,325 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:43:59,327 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:43:59,329 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:43:59,330 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:43:59,333 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:43:59,335 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:43:59,338 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:43:59,340 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:43:59,342 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:43:59,345 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:43:59,347 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:44:00,262 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:44:00,262 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:44:00,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:00,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:00,271 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:00,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:00,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (336)] Waiting until timeout for monitored process [2022-11-18 20:44:00,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:00,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:00,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:00,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:00,290 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:00,290 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:00,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:00,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (336)] Forceful destruction successful, exit code 0 [2022-11-18 20:44:00,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:00,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:00,308 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:00,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:00,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Waiting until timeout for monitored process [2022-11-18 20:44:00,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:00,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:00,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:00,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:00,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:00,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:00,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:00,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Forceful destruction successful, exit code 0 [2022-11-18 20:44:00,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:00,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:00,361 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:00,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:00,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Waiting until timeout for monitored process [2022-11-18 20:44:00,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:00,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:00,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:00,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:00,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:00,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:00,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:00,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Forceful destruction successful, exit code 0 [2022-11-18 20:44:00,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:00,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:00,413 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:00,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:00,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Waiting until timeout for monitored process [2022-11-18 20:44:00,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:00,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:00,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:00,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:00,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:00,435 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:00,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:00,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Forceful destruction successful, exit code 0 [2022-11-18 20:44:00,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:00,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:00,466 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:00,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Waiting until timeout for monitored process [2022-11-18 20:44:00,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:00,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:00,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:00,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:00,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:00,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:00,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:00,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:00,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Ended with exit code 0 [2022-11-18 20:44:00,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:00,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:00,491 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:00,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Waiting until timeout for monitored process [2022-11-18 20:44:00,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:00,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:00,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:00,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:00,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:00,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:00,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:00,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:00,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Ended with exit code 0 [2022-11-18 20:44:00,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:00,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:00,521 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:00,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Waiting until timeout for monitored process [2022-11-18 20:44:00,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:00,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:00,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:00,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:00,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:00,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:00,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:00,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:00,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Ended with exit code 0 [2022-11-18 20:44:00,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:00,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:00,548 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:00,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Waiting until timeout for monitored process [2022-11-18 20:44:00,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:00,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:00,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:00,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:00,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:00,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:00,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:00,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:00,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Ended with exit code 0 [2022-11-18 20:44:00,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:00,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:00,578 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:00,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Waiting until timeout for monitored process [2022-11-18 20:44:00,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:00,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:00,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:00,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:00,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:00,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:00,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:00,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:00,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Ended with exit code 0 [2022-11-18 20:44:00,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:00,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:00,604 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:00,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Waiting until timeout for monitored process [2022-11-18 20:44:00,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:00,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:00,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:00,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:00,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:00,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:00,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:00,632 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:44:00,642 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-18 20:44:00,642 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-18 20:44:00,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:00,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:00,644 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:00,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Waiting until timeout for monitored process [2022-11-18 20:44:00,646 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:44:00,659 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:44:00,659 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:44:00,659 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 40 ULTIMATE.start_main_~arr~0#1.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 40 ULTIMATE.start_main_~arr~0#1.offset))_2 Supporting invariants [] [2022-11-18 20:44:00,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Ended with exit code 0 [2022-11-18 20:44:00,786 INFO L156 tatePredicateManager]: 26 out of 27 supporting invariants were superfluous and have been removed [2022-11-18 20:44:00,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:00,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-18 20:44:00,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:44:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:01,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:44:01,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:44:01,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:44:01,327 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2022-11-18 20:44:01,327 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68 Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:01,366 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 184 states and 228 transitions. Complement of second has 4 states. [2022-11-18 20:44:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:44:01,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:01,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:44:01,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 104 letters. Loop has 2 letters. [2022-11-18 20:44:01,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:44:01,368 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:44:01,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:01,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-18 20:44:01,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:44:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:01,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:44:01,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:44:01,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:44:01,911 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.12 stem predicates 2 loop predicates [2022-11-18 20:44:01,912 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68 Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:01,949 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 184 states and 228 transitions. Complement of second has 4 states. [2022-11-18 20:44:01,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:44:01,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:01,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:44:01,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 104 letters. Loop has 2 letters. [2022-11-18 20:44:01,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:44:01,952 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:44:01,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:02,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-18 20:44:02,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:44:02,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Forceful destruction successful, exit code 0 [2022-11-18 20:44:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:02,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:44:02,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:44:02,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:44:02,570 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2022-11-18 20:44:02,570 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68 Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:02,973 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 214 states and 279 transitions. Complement of second has 28 states. [2022-11-18 20:44:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 12 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:44:02,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:02,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 87 transitions. [2022-11-18 20:44:02,974 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 87 transitions. Stem has 104 letters. Loop has 2 letters. [2022-11-18 20:44:02,974 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:44:02,974 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 87 transitions. Stem has 106 letters. Loop has 2 letters. [2022-11-18 20:44:02,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:44:02,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 87 transitions. Stem has 104 letters. Loop has 4 letters. [2022-11-18 20:44:02,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:44:02,975 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 214 states and 279 transitions. [2022-11-18 20:44:02,977 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:44:02,978 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 214 states to 207 states and 269 transitions. [2022-11-18 20:44:02,978 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-18 20:44:02,978 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-18 20:44:02,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 269 transitions. [2022-11-18 20:44:02,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:44:02,979 INFO L218 hiAutomatonCegarLoop]: Abstraction has 207 states and 269 transitions. [2022-11-18 20:44:02,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 269 transitions. [2022-11-18 20:44:02,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 124. [2022-11-18 20:44:02,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.2258064516129032) internal successors, (152), 123 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:02,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 152 transitions. [2022-11-18 20:44:02,983 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 152 transitions. [2022-11-18 20:44:02,983 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 152 transitions. [2022-11-18 20:44:02,983 INFO L335 stractBuchiCegarLoop]: ======== Iteration 37 ============ [2022-11-18 20:44:02,983 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 152 transitions. [2022-11-18 20:44:02,984 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:44:02,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:44:02,984 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:44:02,985 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [13, 13, 13, 13, 13, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:44:02,985 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:44:02,986 INFO L748 eck$LassoCheckResult]: Stem: 32809#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 32810#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 32816#L551 assume !(main_~length~0#1 < 1); 32825#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 32819#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 32820#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32827#L556 assume !(main_~val~0#1 < 0); 32882#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32881#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32828#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32811#L556 assume !(main_~val~0#1 < 0); 32812#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32813#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32826#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32880#L556 assume !(main_~val~0#1 < 0); 32879#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32878#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32877#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32876#L556 assume !(main_~val~0#1 < 0); 32875#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32874#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32873#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32872#L556 assume !(main_~val~0#1 < 0); 32871#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32870#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32869#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32868#L556 assume !(main_~val~0#1 < 0); 32867#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32866#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32865#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32864#L556 assume !(main_~val~0#1 < 0); 32863#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32862#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32861#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32860#L556 assume !(main_~val~0#1 < 0); 32859#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32858#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32857#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32856#L556 assume !(main_~val~0#1 < 0); 32855#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32854#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32853#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32852#L556 assume !(main_~val~0#1 < 0); 32851#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32850#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32849#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32848#L556 assume !(main_~val~0#1 < 0); 32847#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32846#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32845#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32844#L556 assume !(main_~val~0#1 < 0); 32843#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32842#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32841#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32837#L556 assume !(main_~val~0#1 < 0); 32840#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32839#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32836#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 32817#L554-4 main_~j~0#1 := 0; 32818#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32829#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32931#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32930#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32830#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32824#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32831#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32814#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32815#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32928#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32927#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32926#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32925#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32923#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32922#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32921#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32920#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32918#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32917#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32916#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32915#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32913#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32912#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32911#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32910#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32908#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32907#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32906#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32905#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32903#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32902#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32901#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32900#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32898#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32897#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32896#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32895#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32893#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32892#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32891#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32890#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32888#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32887#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32886#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32885#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32884#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32835#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32834#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32832#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 32822#L562-3 [2022-11-18 20:44:02,986 INFO L750 eck$LassoCheckResult]: Loop: 32822#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32821#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 32822#L562-3 [2022-11-18 20:44:02,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:02,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1943554124, now seen corresponding path program 34 times [2022-11-18 20:44:02,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:02,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749674566] [2022-11-18 20:44:02,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:02,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:44:03,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:44:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:44:03,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:44:03,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:03,089 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 34 times [2022-11-18 20:44:03,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:03,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360343977] [2022-11-18 20:44:03,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:03,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:44:03,095 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:44:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:44:03,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:44:03,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:03,099 INFO L85 PathProgramCache]: Analyzing trace with hash 555262137, now seen corresponding path program 21 times [2022-11-18 20:44:03,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:03,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411580880] [2022-11-18 20:44:03,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:03,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:44:03,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:44:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:44:03,200 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:44:36,027 WARN L233 SmtUtils]: Spent 32.77s on a formula simplification. DAG size of input: 470 DAG size of output: 361 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:44:38,072 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:44:38,073 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:44:38,073 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:44:38,073 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:44:38,073 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:44:38,073 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:38,073 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:44:38,073 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:44:38,073 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration37_Lasso [2022-11-18 20:44:38,073 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:44:38,073 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:44:38,077 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:44:38,079 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:44:38,081 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:44:38,087 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:44:38,090 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:44:38,092 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:44:38,094 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:44:38,097 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:44:38,099 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:44:38,101 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:44:38,104 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:44:38,107 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:44:38,110 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:44:38,112 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:44:43,640 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:44:43,640 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:44:43,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:43,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:43,641 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:43,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (347)] Waiting until timeout for monitored process [2022-11-18 20:44:43,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:43,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:43,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:44:43,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:43,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:43,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:43,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:44:43,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:44:43,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:43,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (347)] Ended with exit code 0 [2022-11-18 20:44:43,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:43,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:43,664 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:43,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (348)] Waiting until timeout for monitored process [2022-11-18 20:44:43,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:43,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:43,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:44:43,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:43,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:43,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:43,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:44:43,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:44:43,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:43,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (348)] Forceful destruction successful, exit code 0 [2022-11-18 20:44:43,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:43,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:43,685 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:43,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (349)] Waiting until timeout for monitored process [2022-11-18 20:44:43,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:43,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:43,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:43,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:43,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:43,700 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:43,700 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:43,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:43,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (349)] Forceful destruction successful, exit code 0 [2022-11-18 20:44:43,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:43,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:43,708 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:43,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (350)] Waiting until timeout for monitored process [2022-11-18 20:44:43,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:43,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:43,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:44:43,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:43,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:43,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:43,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:44:43,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:44:43,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:43,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (350)] Forceful destruction successful, exit code 0 [2022-11-18 20:44:43,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:43,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:43,729 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:43,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (351)] Waiting until timeout for monitored process [2022-11-18 20:44:43,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:43,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:43,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:44:43,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:43,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:43,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:43,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:44:43,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:44:43,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:43,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (351)] Ended with exit code 0 [2022-11-18 20:44:43,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:43,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:43,750 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:43,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (352)] Waiting until timeout for monitored process [2022-11-18 20:44:43,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:43,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:43,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:44:43,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:43,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:43,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:43,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:44:43,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:44:43,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:43,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (352)] Ended with exit code 0 [2022-11-18 20:44:43,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:43,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:43,771 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:43,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (353)] Waiting until timeout for monitored process [2022-11-18 20:44:43,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:43,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:43,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:43,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:43,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:43,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:43,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:43,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:43,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (353)] Ended with exit code 0 [2022-11-18 20:44:43,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:43,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:43,796 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:43,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (354)] Waiting until timeout for monitored process [2022-11-18 20:44:43,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:43,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:43,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:44:43,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:43,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:43,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:43,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:44:43,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:44:43,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:43,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (354)] Ended with exit code 0 [2022-11-18 20:44:43,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:43,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:43,817 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:43,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (355)] Waiting until timeout for monitored process [2022-11-18 20:44:43,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:43,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:43,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:44:43,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:43,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:43,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:43,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:44:43,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:44:43,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:43,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (355)] Forceful destruction successful, exit code 0 [2022-11-18 20:44:43,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:43,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:43,838 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:43,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (356)] Waiting until timeout for monitored process [2022-11-18 20:44:43,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:43,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:43,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:43,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:43,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:43,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:43,853 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:43,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:43,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (356)] Ended with exit code 0 [2022-11-18 20:44:43,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:43,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:43,862 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:43,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (357)] Waiting until timeout for monitored process [2022-11-18 20:44:43,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:43,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:43,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:43,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:43,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:43,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:43,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:43,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:43,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (357)] Forceful destruction successful, exit code 0 [2022-11-18 20:44:43,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:43,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:43,886 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:43,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (358)] Waiting until timeout for monitored process [2022-11-18 20:44:43,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:43,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:43,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:43,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:43,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:43,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:43,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:43,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:43,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (358)] Forceful destruction successful, exit code 0 [2022-11-18 20:44:43,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:43,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:43,910 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:43,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (359)] Waiting until timeout for monitored process [2022-11-18 20:44:43,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:43,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:43,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:44:43,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:43,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:43,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:43,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:44:43,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:44:43,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:43,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (359)] Ended with exit code 0 [2022-11-18 20:44:43,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:43,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:43,930 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:43,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (360)] Waiting until timeout for monitored process [2022-11-18 20:44:43,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:43,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:43,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:43,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:43,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:43,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:43,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:43,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:43,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (360)] Forceful destruction successful, exit code 0 [2022-11-18 20:44:43,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:43,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:43,954 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:43,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (361)] Waiting until timeout for monitored process [2022-11-18 20:44:43,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:43,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:43,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:43,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:43,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:43,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:43,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:43,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:43,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (361)] Forceful destruction successful, exit code 0 [2022-11-18 20:44:43,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:43,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:43,984 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:43,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (362)] Waiting until timeout for monitored process [2022-11-18 20:44:43,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:43,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:43,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:43,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:43,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:44,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:44,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:44,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:44,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (362)] Forceful destruction successful, exit code 0 [2022-11-18 20:44:44,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:44,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:44,015 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:44,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (363)] Waiting until timeout for monitored process [2022-11-18 20:44:44,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:44,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:44,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:44,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:44,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:44,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:44,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:44,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:44,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (363)] Ended with exit code 0 [2022-11-18 20:44:44,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:44,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:44,043 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:44,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (364)] Waiting until timeout for monitored process [2022-11-18 20:44:44,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:44,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:44,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:44,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:44,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:44,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:44,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:44,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:44:44,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (364)] Ended with exit code 0 [2022-11-18 20:44:44,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:44,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:44,072 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:44,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (365)] Waiting until timeout for monitored process [2022-11-18 20:44:44,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:44:44,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:44:44,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:44:44,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:44:44,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:44:44,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:44:44,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:44:44,101 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:44:44,119 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-18 20:44:44,119 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-11-18 20:44:44,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:44:44,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:44,124 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:44,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (366)] Waiting until timeout for monitored process [2022-11-18 20:44:44,127 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:44:44,139 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:44:44,140 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:44:44,140 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 48))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 48))_2 Supporting invariants [] [2022-11-18 20:44:44,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (365)] Forceful destruction successful, exit code 0 [2022-11-18 20:44:44,257 INFO L156 tatePredicateManager]: 26 out of 27 supporting invariants were superfluous and have been removed [2022-11-18 20:44:44,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:44,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-18 20:44:44,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:44:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:44,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:44:44,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:44:44,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:44:44,831 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-18 20:44:44,831 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43 Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:44,879 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43. Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 125 states and 154 transitions. Complement of second has 4 states. [2022-11-18 20:44:44,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:44:44,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:44,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:44:44,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 108 letters. Loop has 2 letters. [2022-11-18 20:44:44,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:44:44,880 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:44:44,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:44,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-18 20:44:44,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:44:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:45,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:44:45,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:44:45,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:44:45,493 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-18 20:44:45,493 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43 Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:45,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (366)] Forceful destruction successful, exit code 0 [2022-11-18 20:44:45,560 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43. Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 125 states and 154 transitions. Complement of second has 4 states. [2022-11-18 20:44:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:44:45,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:45,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:44:45,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 108 letters. Loop has 2 letters. [2022-11-18 20:44:45,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:44:45,562 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:44:45,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:45,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-18 20:44:45,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:44:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:46,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:44:46,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:44:46,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:44:46,207 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-18 20:44:46,207 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43 Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:46,716 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43. Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 150 states and 193 transitions. Complement of second has 32 states. [2022-11-18 20:44:46,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 14 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:44:46,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:46,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 99 transitions. [2022-11-18 20:44:46,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 99 transitions. Stem has 108 letters. Loop has 2 letters. [2022-11-18 20:44:46,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:44:46,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 99 transitions. Stem has 110 letters. Loop has 2 letters. [2022-11-18 20:44:46,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:44:46,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 99 transitions. Stem has 108 letters. Loop has 4 letters. [2022-11-18 20:44:46,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:44:46,718 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 193 transitions. [2022-11-18 20:44:46,719 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:44:46,720 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 145 states and 186 transitions. [2022-11-18 20:44:46,720 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:44:46,721 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-18 20:44:46,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 186 transitions. [2022-11-18 20:44:46,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:44:46,721 INFO L218 hiAutomatonCegarLoop]: Abstraction has 145 states and 186 transitions. [2022-11-18 20:44:46,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 186 transitions. [2022-11-18 20:44:46,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 129. [2022-11-18 20:44:46,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 129 states have (on average 1.2248062015503876) internal successors, (158), 128 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:46,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 158 transitions. [2022-11-18 20:44:46,725 INFO L240 hiAutomatonCegarLoop]: Abstraction has 129 states and 158 transitions. [2022-11-18 20:44:46,725 INFO L428 stractBuchiCegarLoop]: Abstraction has 129 states and 158 transitions. [2022-11-18 20:44:46,725 INFO L335 stractBuchiCegarLoop]: ======== Iteration 38 ============ [2022-11-18 20:44:46,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 129 states and 158 transitions. [2022-11-18 20:44:46,726 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:44:46,726 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:44:46,726 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:44:46,727 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [14, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:44:46,727 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:44:46,728 INFO L748 eck$LassoCheckResult]: Stem: 34548#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 34549#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 34555#L551 assume !(main_~length~0#1 < 1); 34560#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 34558#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 34559#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34567#L556 assume !(main_~val~0#1 < 0); 34618#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34565#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34566#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34550#L556 assume !(main_~val~0#1 < 0); 34551#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34552#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34615#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34614#L556 assume !(main_~val~0#1 < 0); 34613#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34612#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34611#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34610#L556 assume !(main_~val~0#1 < 0); 34609#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34608#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34607#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34606#L556 assume !(main_~val~0#1 < 0); 34605#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34604#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34603#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34602#L556 assume !(main_~val~0#1 < 0); 34601#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34600#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34599#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34598#L556 assume !(main_~val~0#1 < 0); 34597#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34596#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34595#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34594#L556 assume !(main_~val~0#1 < 0); 34593#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34592#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34591#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34590#L556 assume !(main_~val~0#1 < 0); 34589#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34588#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34587#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34586#L556 assume !(main_~val~0#1 < 0); 34585#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34584#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34583#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34582#L556 assume !(main_~val~0#1 < 0); 34581#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34580#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34579#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34578#L556 assume !(main_~val~0#1 < 0); 34577#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34576#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34575#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34572#L556 assume !(main_~val~0#1 < 0); 34574#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34573#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34571#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 34556#L554-4 main_~j~0#1 := 0; 34557#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34568#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34675#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34674#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34569#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34564#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34570#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34553#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34554#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34672#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34671#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34670#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34669#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34667#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34666#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34665#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34664#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34662#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34661#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34660#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34659#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34657#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34656#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34655#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34654#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34652#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34651#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34650#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34649#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34647#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34646#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34645#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34644#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34642#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34641#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34640#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34639#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34637#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34636#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34635#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34634#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34632#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34631#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34630#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34629#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34627#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34626#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34625#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34624#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34623#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34620#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34619#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34616#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 34562#L562-3 [2022-11-18 20:44:46,728 INFO L750 eck$LassoCheckResult]: Loop: 34562#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34561#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 34562#L562-3 [2022-11-18 20:44:46,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:46,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1030968841, now seen corresponding path program 35 times [2022-11-18 20:44:46,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:46,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031364196] [2022-11-18 20:44:46,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:46,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:47,688 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 276 proven. 374 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:44:47,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:47,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031364196] [2022-11-18 20:44:47,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031364196] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:44:47,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680306529] [2022-11-18 20:44:47,689 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-18 20:44:47,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:44:47,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:47,693 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:44:47,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (367)] Waiting until timeout for monitored process [2022-11-18 20:44:48,265 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2022-11-18 20:44:48,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:44:48,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-18 20:44:48,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:44:49,049 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 325 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:44:49,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:44:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 325 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:44:49,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680306529] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:44:49,635 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:44:49,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 46 [2022-11-18 20:44:49,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784445104] [2022-11-18 20:44:49,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:44:49,636 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:44:49,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:49,637 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 35 times [2022-11-18 20:44:49,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:49,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910707006] [2022-11-18 20:44:49,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:49,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:44:49,643 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:44:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:44:49,647 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:44:49,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:49,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-11-18 20:44:49,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=500, Invalid=1662, Unknown=0, NotChecked=0, Total=2162 [2022-11-18 20:44:49,696 INFO L87 Difference]: Start difference. First operand 129 states and 158 transitions. cyclomatic complexity: 45 Second operand has 47 states, 46 states have (on average 3.8260869565217392) internal successors, (176), 47 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:50,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:44:50,489 INFO L93 Difference]: Finished difference Result 203 states and 247 transitions. [2022-11-18 20:44:50,490 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 203 states and 247 transitions. [2022-11-18 20:44:50,491 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:44:50,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 203 states to 136 states and 167 transitions. [2022-11-18 20:44:50,491 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:44:50,491 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:44:50,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 167 transitions. [2022-11-18 20:44:50,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:44:50,492 INFO L218 hiAutomatonCegarLoop]: Abstraction has 136 states and 167 transitions. [2022-11-18 20:44:50,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 167 transitions. [2022-11-18 20:44:50,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133. [2022-11-18 20:44:50,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 133 states have (on average 1.2255639097744362) internal successors, (163), 132 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 163 transitions. [2022-11-18 20:44:50,495 INFO L240 hiAutomatonCegarLoop]: Abstraction has 133 states and 163 transitions. [2022-11-18 20:44:50,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-18 20:44:50,495 INFO L428 stractBuchiCegarLoop]: Abstraction has 133 states and 163 transitions. [2022-11-18 20:44:50,495 INFO L335 stractBuchiCegarLoop]: ======== Iteration 39 ============ [2022-11-18 20:44:50,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 133 states and 163 transitions. [2022-11-18 20:44:50,496 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:44:50,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:44:50,496 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:44:50,496 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [14, 14, 14, 14, 14, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:44:50,497 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:44:50,497 INFO L748 eck$LassoCheckResult]: Stem: 35626#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 35627#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 35633#L551 assume !(main_~length~0#1 < 1); 35642#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 35636#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 35637#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35628#L556 assume !(main_~val~0#1 < 0); 35629#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35630#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35643#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35644#L556 assume !(main_~val~0#1 < 0); 35758#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35757#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35756#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35755#L556 assume !(main_~val~0#1 < 0); 35754#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35753#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35752#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35751#L556 assume !(main_~val~0#1 < 0); 35750#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35749#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35748#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35747#L556 assume !(main_~val~0#1 < 0); 35746#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35745#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35744#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35743#L556 assume !(main_~val~0#1 < 0); 35742#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35741#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35740#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35739#L556 assume !(main_~val~0#1 < 0); 35738#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35737#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35736#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35735#L556 assume !(main_~val~0#1 < 0); 35734#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35733#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35732#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35731#L556 assume !(main_~val~0#1 < 0); 35730#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35729#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35728#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35727#L556 assume !(main_~val~0#1 < 0); 35726#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35725#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35724#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35723#L556 assume !(main_~val~0#1 < 0); 35722#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35721#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35720#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35719#L556 assume !(main_~val~0#1 < 0); 35718#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35717#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35716#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35715#L556 assume !(main_~val~0#1 < 0); 35714#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35713#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35712#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35653#L556 assume !(main_~val~0#1 < 0); 35656#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35654#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35652#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 35634#L554-4 main_~j~0#1 := 0; 35635#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35645#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35710#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35709#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35646#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35641#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35647#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35631#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35632#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35707#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35706#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35705#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35704#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35702#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35701#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35700#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35699#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35697#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35696#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35695#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35694#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35692#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35691#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35690#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35689#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35687#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35686#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35685#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35684#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35682#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35681#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35680#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35679#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35677#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35676#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35675#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35674#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35672#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35671#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35670#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35669#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35667#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35666#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35665#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35664#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35662#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35661#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35660#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35659#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35658#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35651#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35650#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35648#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 35639#L562-3 [2022-11-18 20:44:50,497 INFO L750 eck$LassoCheckResult]: Loop: 35639#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35638#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 35639#L562-3 [2022-11-18 20:44:50,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:50,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1613328130, now seen corresponding path program 36 times [2022-11-18 20:44:50,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:50,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061215360] [2022-11-18 20:44:50,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:50,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:44:50,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:44:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:44:50,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:44:50,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:50,597 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 36 times [2022-11-18 20:44:50,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:50,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775315128] [2022-11-18 20:44:50,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:50,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:44:50,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:44:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:44:50,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:44:50,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:50,607 INFO L85 PathProgramCache]: Analyzing trace with hash -74859385, now seen corresponding path program 22 times [2022-11-18 20:44:50,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:50,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560681699] [2022-11-18 20:44:50,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:50,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:44:50,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:44:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:44:50,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:45:38,082 WARN L233 SmtUtils]: Spent 47.32s on a formula simplification. DAG size of input: 503 DAG size of output: 386 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:45:39,954 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:45:39,955 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:45:39,955 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:45:39,955 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:45:39,955 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:45:39,955 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:45:39,955 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:45:39,955 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:45:39,955 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration39_Lasso [2022-11-18 20:45:39,955 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:45:39,955 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:45:39,959 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:45:39,961 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:45:39,963 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:45:39,966 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:45:39,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:45:43,615 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:45:43,617 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:45:43,619 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:45:43,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:45:43,624 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:45:43,625 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:45:43,627 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:45:43,629 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:45:43,631 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:45:44,452 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:45:44,453 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:45:44,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:45:44,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:44,457 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:45:44,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:45:44,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (368)] Waiting until timeout for monitored process [2022-11-18 20:45:44,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:45:44,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:45:44,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:45:44,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:45:44,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:45:44,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:45:44,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:45:44,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:45:44,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (368)] Forceful destruction successful, exit code 0 [2022-11-18 20:45:44,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:45:44,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:44,478 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:45:44,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (369)] Waiting until timeout for monitored process [2022-11-18 20:45:44,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:45:44,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:45:44,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:45:44,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:45:44,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:45:44,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:45:44,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:45:44,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:45:44,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (369)] Forceful destruction successful, exit code 0 [2022-11-18 20:45:44,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:45:44,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:44,501 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:45:44,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (370)] Waiting until timeout for monitored process [2022-11-18 20:45:44,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:45:44,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:45:44,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:45:44,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:45:44,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:45:44,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:45:44,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:45:44,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:45:44,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (370)] Ended with exit code 0 [2022-11-18 20:45:44,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:45:44,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:44,524 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:45:44,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (371)] Waiting until timeout for monitored process [2022-11-18 20:45:44,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:45:44,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:45:44,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:45:44,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:45:44,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:45:44,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:45:44,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:45:44,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:45:44,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (371)] Ended with exit code 0 [2022-11-18 20:45:44,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:45:44,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:44,548 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:45:44,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (372)] Waiting until timeout for monitored process [2022-11-18 20:45:44,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:45:44,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:45:44,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:45:44,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:45:44,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:45:44,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:45:44,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:45:44,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:45:44,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (372)] Forceful destruction successful, exit code 0 [2022-11-18 20:45:44,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:45:44,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:44,573 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:45:44,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (373)] Waiting until timeout for monitored process [2022-11-18 20:45:44,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:45:44,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:45:44,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:45:44,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:45:44,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:45:44,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:45:44,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:45:44,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:45:44,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (373)] Ended with exit code 0 [2022-11-18 20:45:44,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:45:44,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:44,601 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:45:44,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (374)] Waiting until timeout for monitored process [2022-11-18 20:45:44,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:45:44,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:45:44,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:45:44,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:45:44,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:45:44,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:45:44,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:45:44,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:45:44,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (374)] Ended with exit code 0 [2022-11-18 20:45:44,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:45:44,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:44,627 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:45:44,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (375)] Waiting until timeout for monitored process [2022-11-18 20:45:44,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:45:44,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:45:44,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:45:44,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:45:44,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:45:44,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:45:44,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:45:44,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:45:44,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (375)] Ended with exit code 0 [2022-11-18 20:45:44,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:45:44,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:44,650 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:45:44,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (376)] Waiting until timeout for monitored process [2022-11-18 20:45:44,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:45:44,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:45:44,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:45:44,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:45:44,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:45:44,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:45:44,666 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:45:44,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:45:44,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (376)] Ended with exit code 0 [2022-11-18 20:45:44,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:45:44,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:44,676 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:45:44,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (377)] Waiting until timeout for monitored process [2022-11-18 20:45:44,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:45:44,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:45:44,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:45:44,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:45:44,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:45:44,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:45:44,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:45:44,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:45:44,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (377)] Ended with exit code 0 [2022-11-18 20:45:44,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:45:44,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:44,715 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:45:44,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (378)] Waiting until timeout for monitored process [2022-11-18 20:45:44,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:45:44,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:45:44,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:45:44,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:45:44,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:45:44,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:45:44,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:45:44,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:45:44,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (378)] Ended with exit code 0 [2022-11-18 20:45:44,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:45:44,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:44,744 INFO L229 MonitoredProcess]: Starting monitored process 379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:45:44,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (379)] Waiting until timeout for monitored process [2022-11-18 20:45:44,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:45:44,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:45:44,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:45:44,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:45:44,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:45:44,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:45:44,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:45:44,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:45:44,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (379)] Ended with exit code 0 [2022-11-18 20:45:44,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:45:44,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:44,768 INFO L229 MonitoredProcess]: Starting monitored process 380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:45:44,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (380)] Waiting until timeout for monitored process [2022-11-18 20:45:44,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:45:44,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:45:44,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:45:44,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:45:44,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:45:44,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:45:44,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:45:44,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:45:44,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (380)] Ended with exit code 0 [2022-11-18 20:45:44,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:45:44,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:44,795 INFO L229 MonitoredProcess]: Starting monitored process 381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:45:44,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (381)] Waiting until timeout for monitored process [2022-11-18 20:45:44,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:45:44,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:45:44,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:45:44,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:45:44,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:45:44,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:45:44,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:45:44,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:45:44,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (381)] Ended with exit code 0 [2022-11-18 20:45:44,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:45:44,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:44,823 INFO L229 MonitoredProcess]: Starting monitored process 382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:45:44,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (382)] Waiting until timeout for monitored process [2022-11-18 20:45:44,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:45:44,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:45:44,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:45:44,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:45:44,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:45:44,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:45:44,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:45:44,853 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:45:44,868 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-18 20:45:44,868 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-11-18 20:45:44,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:45:44,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:44,872 INFO L229 MonitoredProcess]: Starting monitored process 383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:45:44,875 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:45:44,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (383)] Waiting until timeout for monitored process [2022-11-18 20:45:44,888 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:45:44,888 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:45:44,888 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_13) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_13 Supporting invariants [] [2022-11-18 20:45:44,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (382)] Forceful destruction successful, exit code 0 [2022-11-18 20:45:45,134 INFO L156 tatePredicateManager]: 46 out of 47 supporting invariants were superfluous and have been removed [2022-11-18 20:45:45,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:45:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:45,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-18 20:45:45,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:45:45,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (383)] Forceful destruction successful, exit code 0 [2022-11-18 20:45:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:46,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:45:46,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:45:46,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:45:46,500 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.30 stem predicates 2 loop predicates [2022-11-18 20:45:46,500 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46 Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:47,155 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46. Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 143 states and 177 transitions. Complement of second has 19 states. [2022-11-18 20:45:47,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 17 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:45:47,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:47,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 91 transitions. [2022-11-18 20:45:47,157 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 91 transitions. Stem has 116 letters. Loop has 2 letters. [2022-11-18 20:45:47,157 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:45:47,157 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:45:47,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:45:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:47,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-18 20:45:47,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:45:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:48,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:45:48,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:45:48,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:45:48,579 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.30 stem predicates 2 loop predicates [2022-11-18 20:45:48,579 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46 Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:49,347 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46. Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 143 states and 177 transitions. Complement of second has 19 states. [2022-11-18 20:45:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 17 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:45:49,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:49,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 91 transitions. [2022-11-18 20:45:49,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 91 transitions. Stem has 116 letters. Loop has 2 letters. [2022-11-18 20:45:49,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:45:49,352 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:45:49,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:45:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:49,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-18 20:45:49,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:45:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:50,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:45:50,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:45:50,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:45:50,836 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.30 stem predicates 2 loop predicates [2022-11-18 20:45:50,836 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46 Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:52,760 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46. Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 254 states and 331 transitions. Complement of second has 50 states. [2022-11-18 20:45:52,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 34 states 30 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:45:52,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:52,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 188 transitions. [2022-11-18 20:45:52,762 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 188 transitions. Stem has 116 letters. Loop has 2 letters. [2022-11-18 20:45:52,762 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:45:52,762 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 188 transitions. Stem has 118 letters. Loop has 2 letters. [2022-11-18 20:45:52,762 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:45:52,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 188 transitions. Stem has 116 letters. Loop has 4 letters. [2022-11-18 20:45:52,763 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:45:52,763 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 254 states and 331 transitions. [2022-11-18 20:45:52,764 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-18 20:45:52,766 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 254 states to 249 states and 324 transitions. [2022-11-18 20:45:52,766 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-18 20:45:52,766 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-18 20:45:52,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 249 states and 324 transitions. [2022-11-18 20:45:52,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:45:52,767 INFO L218 hiAutomatonCegarLoop]: Abstraction has 249 states and 324 transitions. [2022-11-18 20:45:52,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states and 324 transitions. [2022-11-18 20:45:52,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 144. [2022-11-18 20:45:52,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 144 states have (on average 1.2291666666666667) internal successors, (177), 143 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:52,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 177 transitions. [2022-11-18 20:45:52,771 INFO L240 hiAutomatonCegarLoop]: Abstraction has 144 states and 177 transitions. [2022-11-18 20:45:52,771 INFO L428 stractBuchiCegarLoop]: Abstraction has 144 states and 177 transitions. [2022-11-18 20:45:52,771 INFO L335 stractBuchiCegarLoop]: ======== Iteration 40 ============ [2022-11-18 20:45:52,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 144 states and 177 transitions. [2022-11-18 20:45:52,772 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:45:52,772 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:45:52,772 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:45:52,773 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:45:52,773 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:45:52,774 INFO L748 eck$LassoCheckResult]: Stem: 37811#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 37812#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 37818#L551 assume !(main_~length~0#1 < 1); 37823#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 37821#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 37822#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37813#L556 assume !(main_~val~0#1 < 0); 37814#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37815#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37830#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37831#L556 assume !(main_~val~0#1 < 0); 37883#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37828#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37829#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37882#L556 assume !(main_~val~0#1 < 0); 37881#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37880#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37879#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37878#L556 assume !(main_~val~0#1 < 0); 37877#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37876#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37875#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37874#L556 assume !(main_~val~0#1 < 0); 37873#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37872#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37871#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37870#L556 assume !(main_~val~0#1 < 0); 37869#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37868#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37867#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37866#L556 assume !(main_~val~0#1 < 0); 37865#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37864#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37863#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37862#L556 assume !(main_~val~0#1 < 0); 37861#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37860#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37859#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37858#L556 assume !(main_~val~0#1 < 0); 37857#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37856#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37855#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37854#L556 assume !(main_~val~0#1 < 0); 37853#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37852#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37851#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37850#L556 assume !(main_~val~0#1 < 0); 37849#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37848#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37847#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37846#L556 assume !(main_~val~0#1 < 0); 37845#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37844#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37843#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37842#L556 assume !(main_~val~0#1 < 0); 37841#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37840#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37838#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37839#L556 assume !(main_~val~0#1 < 0); 37954#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37953#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37952#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 37951#L554-4 main_~j~0#1 := 0; 37950#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37948#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37947#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37946#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37832#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37827#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37833#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37816#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37817#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37944#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37943#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37942#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37941#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37939#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37938#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37937#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37936#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37934#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37933#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37932#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37931#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37929#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37928#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37927#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37926#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37924#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37923#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37922#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37921#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37919#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37918#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37917#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37916#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37914#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37913#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37912#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37911#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37909#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37908#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37907#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37906#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37904#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37903#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37902#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37901#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37899#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37898#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37897#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37896#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37894#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37893#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37892#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37891#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37890#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37887#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37886#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37884#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 37825#L562-3 [2022-11-18 20:45:52,774 INFO L750 eck$LassoCheckResult]: Loop: 37825#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37824#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 37825#L562-3 [2022-11-18 20:45:52,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:45:52,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1074574935, now seen corresponding path program 37 times [2022-11-18 20:45:52,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:45:52,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033414501] [2022-11-18 20:45:52,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:45:52,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:45:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:53,854 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 325 proven. 431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:45:53,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:45:53,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033414501] [2022-11-18 20:45:53,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033414501] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:45:53,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327120884] [2022-11-18 20:45:53,855 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-18 20:45:53,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:45:53,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:45:53,862 INFO L229 MonitoredProcess]: Starting monitored process 384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:45:53,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (384)] Waiting until timeout for monitored process [2022-11-18 20:45:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:45:54,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-18 20:45:54,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:45:55,242 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 378 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:45:55,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:45:55,897 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 378 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:45:55,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327120884] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:45:55,897 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:45:55,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 49 [2022-11-18 20:45:55,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527500389] [2022-11-18 20:45:55,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:45:55,898 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:45:55,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:45:55,899 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 37 times [2022-11-18 20:45:55,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:45:55,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261563917] [2022-11-18 20:45:55,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:45:55,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:45:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:45:55,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:45:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:45:55,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:45:55,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:45:55,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-11-18 20:45:55,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=565, Invalid=1885, Unknown=0, NotChecked=0, Total=2450 [2022-11-18 20:45:55,964 INFO L87 Difference]: Start difference. First operand 144 states and 177 transitions. cyclomatic complexity: 50 Second operand has 50 states, 49 states have (on average 3.836734693877551) internal successors, (188), 50 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:56,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:45:56,749 INFO L93 Difference]: Finished difference Result 212 states and 258 transitions. [2022-11-18 20:45:56,749 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 212 states and 258 transitions. [2022-11-18 20:45:56,750 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:45:56,751 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 212 states to 140 states and 172 transitions. [2022-11-18 20:45:56,751 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:45:56,751 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:45:56,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 172 transitions. [2022-11-18 20:45:56,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:45:56,752 INFO L218 hiAutomatonCegarLoop]: Abstraction has 140 states and 172 transitions. [2022-11-18 20:45:56,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 172 transitions. [2022-11-18 20:45:56,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-18 20:45:56,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 1.2262773722627738) internal successors, (168), 136 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:45:56,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 168 transitions. [2022-11-18 20:45:56,755 INFO L240 hiAutomatonCegarLoop]: Abstraction has 137 states and 168 transitions. [2022-11-18 20:45:56,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-18 20:45:56,756 INFO L428 stractBuchiCegarLoop]: Abstraction has 137 states and 168 transitions. [2022-11-18 20:45:56,756 INFO L335 stractBuchiCegarLoop]: ======== Iteration 41 ============ [2022-11-18 20:45:56,756 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 168 transitions. [2022-11-18 20:45:56,757 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:45:56,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:45:56,757 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:45:56,758 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 15, 15, 15, 14, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:45:56,758 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:45:56,758 INFO L748 eck$LassoCheckResult]: Stem: 38966#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 38967#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 38973#L551 assume !(main_~length~0#1 < 1); 38982#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 38976#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 38977#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 38968#L556 assume !(main_~val~0#1 < 0); 38969#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 38970#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 38983#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 38984#L556 assume !(main_~val~0#1 < 0); 39102#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39101#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39100#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39099#L556 assume !(main_~val~0#1 < 0); 39098#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39097#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39096#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39095#L556 assume !(main_~val~0#1 < 0); 39094#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39093#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39092#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39091#L556 assume !(main_~val~0#1 < 0); 39090#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39089#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39088#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39087#L556 assume !(main_~val~0#1 < 0); 39086#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39085#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39084#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39083#L556 assume !(main_~val~0#1 < 0); 39082#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39081#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39080#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39079#L556 assume !(main_~val~0#1 < 0); 39078#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39077#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39076#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39075#L556 assume !(main_~val~0#1 < 0); 39074#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39073#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39072#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39071#L556 assume !(main_~val~0#1 < 0); 39070#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39069#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39068#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39067#L556 assume !(main_~val~0#1 < 0); 39066#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39065#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39064#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39063#L556 assume !(main_~val~0#1 < 0); 39062#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39061#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39060#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39059#L556 assume !(main_~val~0#1 < 0); 39058#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39057#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39056#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39055#L556 assume !(main_~val~0#1 < 0); 39054#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39053#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39052#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 38993#L556 assume !(main_~val~0#1 < 0); 38996#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 38994#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 38992#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 38974#L554-4 main_~j~0#1 := 0; 38975#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 38985#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 38987#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 38971#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 38972#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 38981#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39051#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39050#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39049#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39047#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39046#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39045#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39044#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39042#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39041#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39040#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39039#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39037#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39036#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39035#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39034#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39032#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39031#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39030#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39029#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39027#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39026#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39025#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39024#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39022#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39021#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39020#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39019#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39017#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39016#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39015#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39014#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39012#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39011#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39010#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39009#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39007#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39006#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39005#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39004#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 39002#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39001#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39000#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 38999#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 38998#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 38991#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 38990#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 38988#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 38979#L562-3 [2022-11-18 20:45:56,759 INFO L750 eck$LassoCheckResult]: Loop: 38979#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 38978#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 38979#L562-3 [2022-11-18 20:45:56,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:45:56,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1748475013, now seen corresponding path program 38 times [2022-11-18 20:45:56,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:45:56,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010993711] [2022-11-18 20:45:56,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:45:56,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:45:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:45:56,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:45:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:45:56,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:45:56,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:45:56,871 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 38 times [2022-11-18 20:45:56,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:45:56,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491292398] [2022-11-18 20:45:56,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:45:56,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:45:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:45:56,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:45:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:45:56,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:45:56,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:45:56,881 INFO L85 PathProgramCache]: Analyzing trace with hash -952273216, now seen corresponding path program 23 times [2022-11-18 20:45:56,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:45:56,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010330013] [2022-11-18 20:45:56,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:45:56,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:45:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:45:56,938 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:45:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:45:56,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:46:54,646 WARN L233 SmtUtils]: Spent 57.59s on a formula simplification. DAG size of input: 522 DAG size of output: 398 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:46:58,299 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:46:58,299 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:46:58,299 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:46:58,299 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:46:58,299 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:46:58,299 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:46:58,299 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:46:58,299 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:46:58,299 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration41_Lasso [2022-11-18 20:46:58,299 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:46:58,299 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:46:58,303 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:46:58,305 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:46:58,307 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:46:58,309 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:46:58,312 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:47:00,679 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:47:00,681 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:47:00,683 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:47:00,685 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:47:00,687 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:47:00,690 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:47:00,692 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:47:00,694 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:47:00,696 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:47:01,406 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:47:01,406 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:47:01,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:01,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:01,409 INFO L229 MonitoredProcess]: Starting monitored process 385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:01,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (385)] Waiting until timeout for monitored process [2022-11-18 20:47:01,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:47:01,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:01,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:47:01,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:01,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:01,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:01,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:47:01,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:47:01,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:01,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (385)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:01,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:01,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:01,429 INFO L229 MonitoredProcess]: Starting monitored process 386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:01,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (386)] Waiting until timeout for monitored process [2022-11-18 20:47:01,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:47:01,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:01,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:01,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:01,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:01,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:01,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:01,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:01,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (386)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:01,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:01,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:01,453 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:01,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (387)] Waiting until timeout for monitored process [2022-11-18 20:47:01,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:47:01,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:01,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:47:01,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:01,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:01,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:01,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:47:01,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:47:01,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:01,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (387)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:01,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:01,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:01,473 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:01,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (388)] Waiting until timeout for monitored process [2022-11-18 20:47:01,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:47:01,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:01,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:01,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:01,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:01,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:01,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:01,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:01,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (388)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:01,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:01,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:01,498 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:01,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (389)] Waiting until timeout for monitored process [2022-11-18 20:47:01,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:47:01,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:01,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:01,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:01,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:01,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:01,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:01,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:01,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (389)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:01,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:01,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:01,523 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:01,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (390)] Waiting until timeout for monitored process [2022-11-18 20:47:01,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:47:01,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:01,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:01,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:01,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:01,541 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:01,541 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:01,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:01,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (390)] Ended with exit code 0 [2022-11-18 20:47:01,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:01,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:01,551 INFO L229 MonitoredProcess]: Starting monitored process 391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:01,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (391)] Waiting until timeout for monitored process [2022-11-18 20:47:01,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:47:01,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:01,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:01,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:01,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:01,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:01,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:01,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:01,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (391)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:01,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:01,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:01,576 INFO L229 MonitoredProcess]: Starting monitored process 392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:01,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (392)] Waiting until timeout for monitored process [2022-11-18 20:47:01,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:47:01,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:01,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:01,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:01,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:01,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:01,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:01,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:01,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (392)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:01,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:01,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:01,605 INFO L229 MonitoredProcess]: Starting monitored process 393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:01,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (393)] Waiting until timeout for monitored process [2022-11-18 20:47:01,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:47:01,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:01,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:01,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:01,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:01,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:01,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:01,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:01,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (393)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:01,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:01,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:01,630 INFO L229 MonitoredProcess]: Starting monitored process 394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:01,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (394)] Waiting until timeout for monitored process [2022-11-18 20:47:01,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:47:01,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:01,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:01,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:01,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:01,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:01,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:01,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:01,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (394)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:01,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:01,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:01,656 INFO L229 MonitoredProcess]: Starting monitored process 395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:01,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (395)] Waiting until timeout for monitored process [2022-11-18 20:47:01,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:47:01,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:01,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:01,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:01,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:01,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:01,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:01,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:01,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (395)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:01,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:01,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:01,683 INFO L229 MonitoredProcess]: Starting monitored process 396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:01,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (396)] Waiting until timeout for monitored process [2022-11-18 20:47:01,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:47:01,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:01,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:01,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:01,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:01,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:01,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:01,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:01,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (396)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:01,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:01,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:01,707 INFO L229 MonitoredProcess]: Starting monitored process 397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:01,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (397)] Waiting until timeout for monitored process [2022-11-18 20:47:01,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:47:01,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:01,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:01,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:01,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:01,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:01,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:01,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:01,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (397)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:01,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:01,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:01,733 INFO L229 MonitoredProcess]: Starting monitored process 398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:01,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (398)] Waiting until timeout for monitored process [2022-11-18 20:47:01,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:47:01,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:01,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:01,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:01,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:01,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:01,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:01,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:01,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (398)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:01,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:01,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:01,757 INFO L229 MonitoredProcess]: Starting monitored process 399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:01,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (399)] Waiting until timeout for monitored process [2022-11-18 20:47:01,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:47:01,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:01,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:01,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:01,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:01,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:01,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:01,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:47:01,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (399)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:01,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:01,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:01,788 INFO L229 MonitoredProcess]: Starting monitored process 400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:01,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (400)] Waiting until timeout for monitored process [2022-11-18 20:47:01,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:47:01,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:47:01,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:47:01,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:47:01,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:47:01,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:47:01,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:47:01,815 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:47:01,826 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-18 20:47:01,826 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-18 20:47:01,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:47:01,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:47:01,830 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:47:01,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (401)] Waiting until timeout for monitored process [2022-11-18 20:47:01,831 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:47:01,843 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:47:01,843 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:47:01,843 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 52 ULTIMATE.start_main_~arr~0#1.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 52 ULTIMATE.start_main_~arr~0#1.offset))_2 Supporting invariants [] [2022-11-18 20:47:01,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (400)] Forceful destruction successful, exit code 0 [2022-11-18 20:47:01,936 INFO L156 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2022-11-18 20:47:01,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:47:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:02,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-18 20:47:02,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:47:02,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (401)] Ended with exit code 0 [2022-11-18 20:47:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:02,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:47:02,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:47:02,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:47:02,578 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.15 stem predicates 2 loop predicates [2022-11-18 20:47:02,578 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47 Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:47:02,617 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47. Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 138 states and 170 transitions. Complement of second has 4 states. [2022-11-18 20:47:02,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:47:02,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:47:02,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:47:02,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 120 letters. Loop has 2 letters. [2022-11-18 20:47:02,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:47:02,618 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:47:02,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:47:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:02,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-18 20:47:02,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:47:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:03,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:47:03,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:47:03,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:47:03,241 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.15 stem predicates 2 loop predicates [2022-11-18 20:47:03,241 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47 Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:47:03,281 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47. Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 138 states and 170 transitions. Complement of second has 4 states. [2022-11-18 20:47:03,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:47:03,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:47:03,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:47:03,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 120 letters. Loop has 2 letters. [2022-11-18 20:47:03,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:47:03,283 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:47:03,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:47:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:03,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-18 20:47:03,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:47:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:47:03,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:47:03,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:47:03,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:47:03,918 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.15 stem predicates 2 loop predicates [2022-11-18 20:47:03,918 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47 Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:47:04,462 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47. Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 164 states and 211 transitions. Complement of second has 34 states. [2022-11-18 20:47:04,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 19 states 15 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:47:04,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:47:04,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 105 transitions. [2022-11-18 20:47:04,463 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 105 transitions. Stem has 120 letters. Loop has 2 letters. [2022-11-18 20:47:04,463 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:47:04,463 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 105 transitions. Stem has 122 letters. Loop has 2 letters. [2022-11-18 20:47:04,463 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:47:04,463 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 105 transitions. Stem has 120 letters. Loop has 4 letters. [2022-11-18 20:47:04,463 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:47:04,463 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 164 states and 211 transitions. [2022-11-18 20:47:04,465 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:47:04,465 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 164 states to 159 states and 204 transitions. [2022-11-18 20:47:04,466 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:47:04,466 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-18 20:47:04,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 159 states and 204 transitions. [2022-11-18 20:47:04,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:47:04,466 INFO L218 hiAutomatonCegarLoop]: Abstraction has 159 states and 204 transitions. [2022-11-18 20:47:04,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states and 204 transitions. [2022-11-18 20:47:04,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 142. [2022-11-18 20:47:04,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 142 states have (on average 1.2253521126760563) internal successors, (174), 141 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:47:04,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 174 transitions. [2022-11-18 20:47:04,470 INFO L240 hiAutomatonCegarLoop]: Abstraction has 142 states and 174 transitions. [2022-11-18 20:47:04,470 INFO L428 stractBuchiCegarLoop]: Abstraction has 142 states and 174 transitions. [2022-11-18 20:47:04,470 INFO L335 stractBuchiCegarLoop]: ======== Iteration 42 ============ [2022-11-18 20:47:04,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states and 174 transitions. [2022-11-18 20:47:04,471 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:47:04,471 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:47:04,471 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:47:04,472 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 15, 15, 15, 15, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:47:04,472 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:47:04,473 INFO L748 eck$LassoCheckResult]: Stem: 40844#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 40845#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 40851#L551 assume !(main_~length~0#1 < 1); 40860#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 40854#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 40855#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40863#L556 assume !(main_~val~0#1 < 0); 40920#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40861#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40862#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40846#L556 assume !(main_~val~0#1 < 0); 40847#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40848#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40919#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40918#L556 assume !(main_~val~0#1 < 0); 40917#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40916#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40915#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40914#L556 assume !(main_~val~0#1 < 0); 40913#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40912#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40911#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40910#L556 assume !(main_~val~0#1 < 0); 40909#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40908#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40907#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40906#L556 assume !(main_~val~0#1 < 0); 40905#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40904#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40903#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40902#L556 assume !(main_~val~0#1 < 0); 40901#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40900#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40899#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40898#L556 assume !(main_~val~0#1 < 0); 40897#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40896#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40895#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40894#L556 assume !(main_~val~0#1 < 0); 40893#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40892#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40891#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40890#L556 assume !(main_~val~0#1 < 0); 40889#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40888#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40887#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40886#L556 assume !(main_~val~0#1 < 0); 40885#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40884#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40883#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40882#L556 assume !(main_~val~0#1 < 0); 40881#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40880#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40879#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40878#L556 assume !(main_~val~0#1 < 0); 40877#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40876#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40875#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40874#L556 assume !(main_~val~0#1 < 0); 40873#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40872#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40871#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40868#L556 assume !(main_~val~0#1 < 0); 40870#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40869#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40867#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 40852#L554-4 main_~j~0#1 := 0; 40853#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40864#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40984#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40983#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40865#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40859#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40866#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40849#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40850#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40981#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40980#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40979#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40978#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40976#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40975#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40974#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40973#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40971#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40970#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40969#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40968#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40966#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40965#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40964#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40963#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40961#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40960#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40959#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40958#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40956#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40955#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40954#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40953#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40951#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40950#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40949#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40948#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40946#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40945#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40944#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40943#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40941#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40940#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40939#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40938#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40936#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40935#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40934#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40933#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40931#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40930#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40929#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40928#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40927#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40924#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40923#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40921#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 40857#L562-3 [2022-11-18 20:47:04,473 INFO L750 eck$LassoCheckResult]: Loop: 40857#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40856#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 40857#L562-3 [2022-11-18 20:47:04,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:47:04,473 INFO L85 PathProgramCache]: Analyzing trace with hash -306526640, now seen corresponding path program 39 times [2022-11-18 20:47:04,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:47:04,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916760214] [2022-11-18 20:47:04,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:47:04,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:47:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:47:04,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:47:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:47:04,645 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:47:04,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:47:04,646 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 39 times [2022-11-18 20:47:04,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:47:04,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861154597] [2022-11-18 20:47:04,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:47:04,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:47:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:47:04,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:47:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:47:04,657 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:47:04,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:47:04,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1780643925, now seen corresponding path program 24 times [2022-11-18 20:47:04,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:47:04,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782430389] [2022-11-18 20:47:04,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:47:04,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:47:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:47:04,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:47:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:47:04,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:47:56,801 WARN L233 SmtUtils]: Spent 51.97s on a formula simplification. DAG size of input: 536 DAG size of output: 411 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:48:03,702 WARN L233 SmtUtils]: Spent 6.20s on a formula simplification that was a NOOP. DAG size: 190 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:48:03,706 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:48:03,707 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:48:03,707 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:48:03,707 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:48:03,707 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:48:03,707 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:03,707 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:48:03,707 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:48:03,707 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration42_Lasso [2022-11-18 20:48:03,707 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:48:03,707 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:48:03,710 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:03,712 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:03,714 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:03,717 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:03,718 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:03,720 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:03,722 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:03,724 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:03,726 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:15,523 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:15,525 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:15,528 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:15,530 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:15,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:15,541 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:16,262 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:48:16,262 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:48:16,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:16,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:16,270 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:16,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:16,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (402)] Waiting until timeout for monitored process [2022-11-18 20:48:16,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:16,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:16,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:16,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:16,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:16,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:16,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:16,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:16,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (402)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:16,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:16,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:16,288 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:16,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (403)] Waiting until timeout for monitored process [2022-11-18 20:48:16,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:16,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:16,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:16,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:16,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:16,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:16,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:16,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:16,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (403)] Ended with exit code 0 [2022-11-18 20:48:16,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:16,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:16,312 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:16,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (404)] Waiting until timeout for monitored process [2022-11-18 20:48:16,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:16,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:16,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:16,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:16,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:16,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:16,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:16,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:16,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (404)] Ended with exit code 0 [2022-11-18 20:48:16,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:16,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:16,337 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:16,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (405)] Waiting until timeout for monitored process [2022-11-18 20:48:16,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:16,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:16,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:16,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:16,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:16,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:16,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:16,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:16,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:16,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (405)] Ended with exit code 0 [2022-11-18 20:48:16,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:16,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:16,357 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:16,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (406)] Waiting until timeout for monitored process [2022-11-18 20:48:16,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:16,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:16,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:16,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:16,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:16,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:16,372 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:16,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:16,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:16,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (406)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:16,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:16,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:16,378 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:16,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (407)] Waiting until timeout for monitored process [2022-11-18 20:48:16,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:16,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:16,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:16,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:16,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:16,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:16,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:16,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:16,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:16,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (407)] Ended with exit code 0 [2022-11-18 20:48:16,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:16,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:16,398 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:16,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (408)] Waiting until timeout for monitored process [2022-11-18 20:48:16,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:16,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:16,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:16,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:16,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:16,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:16,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:16,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:16,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:16,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (408)] Ended with exit code 0 [2022-11-18 20:48:16,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:16,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:16,417 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:16,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (409)] Waiting until timeout for monitored process [2022-11-18 20:48:16,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:16,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:16,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:16,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:16,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:16,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:16,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:16,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:16,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (409)] Ended with exit code 0 [2022-11-18 20:48:16,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:16,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:16,438 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:16,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (410)] Waiting until timeout for monitored process [2022-11-18 20:48:16,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:16,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:16,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:16,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:16,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:16,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:16,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:16,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:16,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (410)] Ended with exit code 0 [2022-11-18 20:48:16,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:16,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:16,466 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:16,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (411)] Waiting until timeout for monitored process [2022-11-18 20:48:16,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:16,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:16,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:16,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:16,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:16,481 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:16,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:16,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:16,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (411)] Ended with exit code 0 [2022-11-18 20:48:16,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:16,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:16,491 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:16,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (412)] Waiting until timeout for monitored process [2022-11-18 20:48:16,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:16,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:16,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:16,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:16,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:16,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:16,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:16,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:16,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (412)] Ended with exit code 0 [2022-11-18 20:48:16,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:16,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:16,515 INFO L229 MonitoredProcess]: Starting monitored process 413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:16,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (413)] Waiting until timeout for monitored process [2022-11-18 20:48:16,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:16,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:16,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:16,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:16,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:16,531 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:16,531 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:16,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:16,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (413)] Ended with exit code 0 [2022-11-18 20:48:16,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:16,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:16,540 INFO L229 MonitoredProcess]: Starting monitored process 414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:16,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (414)] Waiting until timeout for monitored process [2022-11-18 20:48:16,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:16,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:16,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:16,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:16,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:16,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:16,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:16,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:16,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (414)] Ended with exit code 0 [2022-11-18 20:48:16,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:16,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:16,564 INFO L229 MonitoredProcess]: Starting monitored process 415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:16,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (415)] Waiting until timeout for monitored process [2022-11-18 20:48:16,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:16,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:16,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:16,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:16,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:16,579 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:16,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:16,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:16,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (415)] Ended with exit code 0 [2022-11-18 20:48:16,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:16,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:16,588 INFO L229 MonitoredProcess]: Starting monitored process 416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:16,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (416)] Waiting until timeout for monitored process [2022-11-18 20:48:16,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:16,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:16,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:16,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:16,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:16,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:16,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:16,616 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:48:16,631 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-18 20:48:16,631 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-18 20:48:16,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:16,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:16,635 INFO L229 MonitoredProcess]: Starting monitored process 417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:16,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (417)] Waiting until timeout for monitored process [2022-11-18 20:48:16,636 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:48:16,648 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:48:16,648 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:48:16,648 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 56 ULTIMATE.start_main_~arr~0#1.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 56 ULTIMATE.start_main_~arr~0#1.offset))_2 Supporting invariants [] [2022-11-18 20:48:16,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (416)] Ended with exit code 0 [2022-11-18 20:48:16,745 INFO L156 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2022-11-18 20:48:16,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:16,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-18 20:48:16,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:48:17,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (417)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:17,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:48:17,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:48:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:17,393 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-18 20:48:17,393 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49 Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:48:17,428 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 143 states and 176 transitions. Complement of second has 4 states. [2022-11-18 20:48:17,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:48:17,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:48:17,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:48:17,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 124 letters. Loop has 2 letters. [2022-11-18 20:48:17,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:48:17,429 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:48:17,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:17,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-18 20:48:17,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:48:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:18,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:48:18,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:48:18,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:18,064 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-18 20:48:18,064 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49 Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:48:18,109 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 143 states and 176 transitions. Complement of second has 4 states. [2022-11-18 20:48:18,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:48:18,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:48:18,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:48:18,110 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 124 letters. Loop has 2 letters. [2022-11-18 20:48:18,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:48:18,110 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:48:18,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:18,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-18 20:48:18,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:48:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:18,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:48:18,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:48:18,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:18,771 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-18 20:48:18,772 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49 Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:48:19,497 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 170 states and 219 transitions. Complement of second has 36 states. [2022-11-18 20:48:19,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 20 states 16 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:48:19,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:48:19,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 111 transitions. [2022-11-18 20:48:19,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 124 letters. Loop has 2 letters. [2022-11-18 20:48:19,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:48:19,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 126 letters. Loop has 2 letters. [2022-11-18 20:48:19,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:48:19,499 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 124 letters. Loop has 4 letters. [2022-11-18 20:48:19,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:48:19,499 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 219 transitions. [2022-11-18 20:48:19,500 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:48:19,501 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 165 states and 212 transitions. [2022-11-18 20:48:19,501 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:48:19,501 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-18 20:48:19,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 165 states and 212 transitions. [2022-11-18 20:48:19,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:48:19,502 INFO L218 hiAutomatonCegarLoop]: Abstraction has 165 states and 212 transitions. [2022-11-18 20:48:19,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states and 212 transitions. [2022-11-18 20:48:19,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 147. [2022-11-18 20:48:19,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 147 states have (on average 1.2244897959183674) internal successors, (180), 146 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:48:19,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 180 transitions. [2022-11-18 20:48:19,505 INFO L240 hiAutomatonCegarLoop]: Abstraction has 147 states and 180 transitions. [2022-11-18 20:48:19,506 INFO L428 stractBuchiCegarLoop]: Abstraction has 147 states and 180 transitions. [2022-11-18 20:48:19,506 INFO L335 stractBuchiCegarLoop]: ======== Iteration 43 ============ [2022-11-18 20:48:19,506 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 147 states and 180 transitions. [2022-11-18 20:48:19,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:48:19,507 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:48:19,507 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:48:19,508 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [16, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:19,508 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:48:19,508 INFO L748 eck$LassoCheckResult]: Stem: 42789#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 42790#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 42796#L551 assume !(main_~length~0#1 < 1); 42805#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 42799#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 42800#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42808#L556 assume !(main_~val~0#1 < 0); 42865#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42806#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42807#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42791#L556 assume !(main_~val~0#1 < 0); 42792#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42793#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42864#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42863#L556 assume !(main_~val~0#1 < 0); 42862#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42861#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42860#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42859#L556 assume !(main_~val~0#1 < 0); 42858#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42857#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42856#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42855#L556 assume !(main_~val~0#1 < 0); 42854#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42853#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42852#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42851#L556 assume !(main_~val~0#1 < 0); 42850#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42849#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42848#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42847#L556 assume !(main_~val~0#1 < 0); 42846#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42845#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42844#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42843#L556 assume !(main_~val~0#1 < 0); 42842#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42841#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42840#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42839#L556 assume !(main_~val~0#1 < 0); 42838#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42837#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42836#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42835#L556 assume !(main_~val~0#1 < 0); 42834#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42833#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42832#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42831#L556 assume !(main_~val~0#1 < 0); 42830#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42829#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42828#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42827#L556 assume !(main_~val~0#1 < 0); 42826#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42825#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42824#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42823#L556 assume !(main_~val~0#1 < 0); 42822#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42821#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42820#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42819#L556 assume !(main_~val~0#1 < 0); 42818#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42817#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42816#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42813#L556 assume !(main_~val~0#1 < 0); 42815#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42814#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42812#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 42797#L554-4 main_~j~0#1 := 0; 42798#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42809#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42934#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42933#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42810#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42804#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42811#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42794#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42795#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42931#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42930#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42929#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42928#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42926#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42925#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42924#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42923#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42921#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42920#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42919#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42918#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42916#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42915#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42914#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42913#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42911#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42910#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42909#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42908#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42906#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42905#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42904#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42903#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42901#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42900#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42899#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42898#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42896#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42895#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42894#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42893#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42891#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42890#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42889#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42888#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42886#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42885#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42884#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42883#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42881#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42880#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42879#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42878#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42876#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42875#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42874#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42873#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42872#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42869#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42868#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42866#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 42802#L562-3 [2022-11-18 20:48:19,509 INFO L750 eck$LassoCheckResult]: Loop: 42802#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42801#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 42802#L562-3 [2022-11-18 20:48:19,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:19,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1801828005, now seen corresponding path program 40 times [2022-11-18 20:48:19,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:19,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419586989] [2022-11-18 20:48:19,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:19,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,679 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 378 proven. 492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:20,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:20,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419586989] [2022-11-18 20:48:20,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419586989] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:48:20,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322919963] [2022-11-18 20:48:20,680 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 20:48:20,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:48:20,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:20,682 INFO L229 MonitoredProcess]: Starting monitored process 418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:48:20,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (418)] Waiting until timeout for monitored process [2022-11-18 20:48:21,024 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 20:48:21,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:48:21,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-18 20:48:21,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:48:21,955 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 435 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:21,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:48:22,653 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 435 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:22,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322919963] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:48:22,654 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:48:22,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 52 [2022-11-18 20:48:22,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291491587] [2022-11-18 20:48:22,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:48:22,655 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:48:22,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:22,655 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 40 times [2022-11-18 20:48:22,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:22,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550787559] [2022-11-18 20:48:22,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:22,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:22,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:22,663 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:22,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:22,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-11-18 20:48:22,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=634, Invalid=2122, Unknown=0, NotChecked=0, Total=2756 [2022-11-18 20:48:22,701 INFO L87 Difference]: Start difference. First operand 147 states and 180 transitions. cyclomatic complexity: 51 Second operand has 53 states, 52 states have (on average 3.8461538461538463) internal successors, (200), 53 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:48:23,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:23,581 INFO L93 Difference]: Finished difference Result 231 states and 281 transitions. [2022-11-18 20:48:23,581 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 231 states and 281 transitions. [2022-11-18 20:48:23,582 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:48:23,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 231 states to 154 states and 189 transitions. [2022-11-18 20:48:23,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:48:23,583 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:48:23,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 189 transitions. [2022-11-18 20:48:23,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:48:23,583 INFO L218 hiAutomatonCegarLoop]: Abstraction has 154 states and 189 transitions. [2022-11-18 20:48:23,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states and 189 transitions. [2022-11-18 20:48:23,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 151. [2022-11-18 20:48:23,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 151 states have (on average 1.2251655629139073) internal successors, (185), 150 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:48:23,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 185 transitions. [2022-11-18 20:48:23,587 INFO L240 hiAutomatonCegarLoop]: Abstraction has 151 states and 185 transitions. [2022-11-18 20:48:23,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 20:48:23,587 INFO L428 stractBuchiCegarLoop]: Abstraction has 151 states and 185 transitions. [2022-11-18 20:48:23,587 INFO L335 stractBuchiCegarLoop]: ======== Iteration 44 ============ [2022-11-18 20:48:23,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 151 states and 185 transitions. [2022-11-18 20:48:23,588 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:48:23,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:48:23,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:48:23,589 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [16, 16, 16, 16, 16, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:23,589 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:48:23,590 INFO L748 eck$LassoCheckResult]: Stem: 44019#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 44020#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 44028#L551 assume !(main_~length~0#1 < 1); 44035#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 44029#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 44030#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44021#L556 assume !(main_~val~0#1 < 0); 44022#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44023#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44036#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44037#L556 assume !(main_~val~0#1 < 0); 44169#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44168#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44167#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44166#L556 assume !(main_~val~0#1 < 0); 44165#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44164#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44163#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44162#L556 assume !(main_~val~0#1 < 0); 44161#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44160#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44159#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44158#L556 assume !(main_~val~0#1 < 0); 44157#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44156#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44155#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44154#L556 assume !(main_~val~0#1 < 0); 44153#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44152#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44151#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44150#L556 assume !(main_~val~0#1 < 0); 44149#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44148#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44147#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44146#L556 assume !(main_~val~0#1 < 0); 44145#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44144#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44143#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44142#L556 assume !(main_~val~0#1 < 0); 44141#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44140#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44139#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44138#L556 assume !(main_~val~0#1 < 0); 44137#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44136#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44135#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44134#L556 assume !(main_~val~0#1 < 0); 44133#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44132#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44131#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44130#L556 assume !(main_~val~0#1 < 0); 44129#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44128#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44127#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44126#L556 assume !(main_~val~0#1 < 0); 44125#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44124#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44123#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44122#L556 assume !(main_~val~0#1 < 0); 44121#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44120#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44119#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44118#L556 assume !(main_~val~0#1 < 0); 44117#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44116#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44115#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44042#L556 assume !(main_~val~0#1 < 0); 44048#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44045#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44041#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 44026#L554-4 main_~j~0#1 := 0; 44027#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44038#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44113#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44112#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44039#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44034#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44040#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44024#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44025#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44110#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44109#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44108#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44107#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44105#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44104#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44103#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44102#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44100#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44099#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44098#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44097#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44095#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44094#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44093#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44092#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44090#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44089#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44088#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44087#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44085#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44084#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44083#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44082#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44080#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44079#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44078#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44077#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44075#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44074#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44073#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44072#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44070#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44069#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44068#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44067#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44065#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44064#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44063#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44062#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44060#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44059#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44058#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44057#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44055#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44054#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44053#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44052#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44051#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44047#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44046#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44043#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 44032#L562-3 [2022-11-18 20:48:23,590 INFO L750 eck$LassoCheckResult]: Loop: 44032#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44031#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 44032#L562-3 [2022-11-18 20:48:23,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:23,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1004225122, now seen corresponding path program 41 times [2022-11-18 20:48:23,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:23,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482399249] [2022-11-18 20:48:23,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:23,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:23,654 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:23,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:23,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:23,722 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 41 times [2022-11-18 20:48:23,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:23,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571964905] [2022-11-18 20:48:23,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:23,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:23,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:23,733 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:23,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:23,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1307300899, now seen corresponding path program 25 times [2022-11-18 20:48:23,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:23,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945279279] [2022-11-18 20:48:23,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:23,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:23,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:23,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:50:11,708 WARN L233 SmtUtils]: Spent 1.80m on a formula simplification. DAG size of input: 569 DAG size of output: 436 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:50:29,347 WARN L233 SmtUtils]: Spent 16.67s on a formula simplification that was a NOOP. DAG size: 223 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-18 20:50:29,352 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:50:29,352 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:50:29,352 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:50:29,352 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:50:29,352 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:50:29,352 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:29,352 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:50:29,352 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:50:29,353 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-2.i_Iteration44_Lasso [2022-11-18 20:50:29,353 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:50:29,353 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:50:29,356 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:29,359 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:29,360 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:29,363 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:29,371 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:03,636 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:03,639 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:03,640 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:03,642 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:03,644 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:03,646 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:03,648 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:03,650 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:03,652 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:03,654 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:51:04,639 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:51:04,639 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:51:04,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:04,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:04,643 INFO L229 MonitoredProcess]: Starting monitored process 419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:04,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (419)] Waiting until timeout for monitored process [2022-11-18 20:51:04,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:51:04,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:04,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:04,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:04,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:04,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:51:04,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:51:04,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:04,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (419)] Ended with exit code 0 [2022-11-18 20:51:04,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:04,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:04,662 INFO L229 MonitoredProcess]: Starting monitored process 420 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:04,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (420)] Waiting until timeout for monitored process [2022-11-18 20:51:04,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:51:04,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:04,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:51:04,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:04,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:04,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:04,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:51:04,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:51:04,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:04,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (420)] Ended with exit code 0 [2022-11-18 20:51:04,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:04,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:04,680 INFO L229 MonitoredProcess]: Starting monitored process 421 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:04,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (421)] Waiting until timeout for monitored process [2022-11-18 20:51:04,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:51:04,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:04,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:04,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:04,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:04,694 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:51:04,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:51:04,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:04,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (421)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:04,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:04,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:04,702 INFO L229 MonitoredProcess]: Starting monitored process 422 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:04,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (422)] Waiting until timeout for monitored process [2022-11-18 20:51:04,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:51:04,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:04,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:51:04,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:04,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:04,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:04,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:51:04,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:51:04,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:04,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (422)] Ended with exit code 0 [2022-11-18 20:51:04,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:04,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:04,719 INFO L229 MonitoredProcess]: Starting monitored process 423 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:04,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (423)] Waiting until timeout for monitored process [2022-11-18 20:51:04,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:51:04,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:04,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:04,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:04,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:04,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:51:04,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:51:04,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:04,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (423)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:04,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:04,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:04,746 INFO L229 MonitoredProcess]: Starting monitored process 424 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:04,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (424)] Waiting until timeout for monitored process [2022-11-18 20:51:04,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:51:04,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:04,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:04,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:04,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:04,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:51:04,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:51:04,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:04,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (424)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:04,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:04,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:04,772 INFO L229 MonitoredProcess]: Starting monitored process 425 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:04,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (425)] Waiting until timeout for monitored process [2022-11-18 20:51:04,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:51:04,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:04,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:04,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:04,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:04,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:51:04,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:51:04,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:04,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (425)] Ended with exit code 0 [2022-11-18 20:51:04,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:04,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:04,797 INFO L229 MonitoredProcess]: Starting monitored process 426 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:04,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (426)] Waiting until timeout for monitored process [2022-11-18 20:51:04,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:51:04,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:04,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:04,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:04,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:04,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:51:04,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:51:04,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:04,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (426)] Ended with exit code 0 [2022-11-18 20:51:04,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:04,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:04,823 INFO L229 MonitoredProcess]: Starting monitored process 427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:04,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (427)] Waiting until timeout for monitored process [2022-11-18 20:51:04,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:51:04,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:04,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:04,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:04,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:04,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:51:04,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:51:04,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:04,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (427)] Ended with exit code 0 [2022-11-18 20:51:04,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:04,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:04,847 INFO L229 MonitoredProcess]: Starting monitored process 428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:04,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (428)] Waiting until timeout for monitored process [2022-11-18 20:51:04,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:51:04,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:04,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:04,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:04,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:04,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:51:04,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:51:04,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:04,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (428)] Ended with exit code 0 [2022-11-18 20:51:04,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:04,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:04,871 INFO L229 MonitoredProcess]: Starting monitored process 429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:04,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (429)] Waiting until timeout for monitored process [2022-11-18 20:51:04,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:51:04,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:04,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:04,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:04,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:04,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:51:04,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:51:04,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:04,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (429)] Ended with exit code 0 [2022-11-18 20:51:04,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:04,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:04,902 INFO L229 MonitoredProcess]: Starting monitored process 430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:04,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (430)] Waiting until timeout for monitored process [2022-11-18 20:51:04,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:51:04,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:04,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:04,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:04,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:04,917 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:51:04,917 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:51:04,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:04,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (430)] Ended with exit code 0 [2022-11-18 20:51:04,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:04,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:04,927 INFO L229 MonitoredProcess]: Starting monitored process 431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:04,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (431)] Waiting until timeout for monitored process [2022-11-18 20:51:04,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:51:04,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:04,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:04,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:04,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:04,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:51:04,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:51:04,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:04,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (431)] Ended with exit code 0 [2022-11-18 20:51:04,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:04,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:04,947 INFO L229 MonitoredProcess]: Starting monitored process 432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:04,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (432)] Waiting until timeout for monitored process [2022-11-18 20:51:04,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:51:04,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:04,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:04,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:04,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:04,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:51:04,962 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:51:04,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:04,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (432)] Ended with exit code 0 [2022-11-18 20:51:04,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:04,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:04,973 INFO L229 MonitoredProcess]: Starting monitored process 433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:04,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (433)] Waiting until timeout for monitored process [2022-11-18 20:51:04,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:51:04,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:04,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:04,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:04,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:04,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:51:04,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:51:04,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:04,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (433)] Ended with exit code 0 [2022-11-18 20:51:04,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:04,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:04,998 INFO L229 MonitoredProcess]: Starting monitored process 434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:04,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (434)] Waiting until timeout for monitored process [2022-11-18 20:51:05,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:51:05,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:05,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:05,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:05,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:05,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:51:05,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:51:05,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:05,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (434)] Ended with exit code 0 [2022-11-18 20:51:05,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:05,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:05,023 INFO L229 MonitoredProcess]: Starting monitored process 435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:05,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (435)] Waiting until timeout for monitored process [2022-11-18 20:51:05,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:51:05,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:05,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:05,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:05,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:05,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:51:05,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:51:05,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:05,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (435)] Ended with exit code 0 [2022-11-18 20:51:05,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:05,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:05,051 INFO L229 MonitoredProcess]: Starting monitored process 436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:05,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (436)] Waiting until timeout for monitored process [2022-11-18 20:51:05,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:51:05,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:05,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:05,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:05,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:05,066 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:51:05,066 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:51:05,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:51:05,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (436)] Ended with exit code 0 [2022-11-18 20:51:05,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:05,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:05,076 INFO L229 MonitoredProcess]: Starting monitored process 437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:05,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (437)] Waiting until timeout for monitored process [2022-11-18 20:51:05,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:51:05,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:51:05,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:51:05,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:51:05,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:51:05,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:51:05,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:51:05,100 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:51:05,110 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-18 20:51:05,110 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-18 20:51:05,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:51:05,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:05,113 INFO L229 MonitoredProcess]: Starting monitored process 438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:51:05,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (438)] Waiting until timeout for monitored process [2022-11-18 20:51:05,114 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:51:05,124 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:51:05,124 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:51:05,124 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 60))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 60))_1 Supporting invariants [] [2022-11-18 20:51:05,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (437)] Ended with exit code 0 [2022-11-18 20:51:06,124 INFO L156 tatePredicateManager]: 34 out of 35 supporting invariants were superfluous and have been removed [2022-11-18 20:51:06,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:06,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-18 20:51:06,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:51:06,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (438)] Forceful destruction successful, exit code 0 [2022-11-18 20:51:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:06,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:51:06,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:51:06,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:51:06,750 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.17 stem predicates 2 loop predicates [2022-11-18 20:51:06,750 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 151 states and 185 transitions. cyclomatic complexity: 52 Second operand has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:06,788 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 151 states and 185 transitions. cyclomatic complexity: 52. Second operand has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 152 states and 187 transitions. Complement of second has 4 states. [2022-11-18 20:51:06,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:51:06,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:06,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:51:06,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 132 letters. Loop has 2 letters. [2022-11-18 20:51:06,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:51:06,789 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:51:06,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:06,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-18 20:51:06,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:51:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:07,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:51:07,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:51:07,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:51:07,406 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.17 stem predicates 2 loop predicates [2022-11-18 20:51:07,407 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 151 states and 185 transitions. cyclomatic complexity: 52 Second operand has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:07,442 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 151 states and 185 transitions. cyclomatic complexity: 52. Second operand has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 152 states and 187 transitions. Complement of second has 4 states. [2022-11-18 20:51:07,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-18 20:51:07,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:07,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-18 20:51:07,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 132 letters. Loop has 2 letters. [2022-11-18 20:51:07,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:51:07,444 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:51:07,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:07,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-18 20:51:07,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:51:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:08,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:51:08,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:51:08,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:51:08,061 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.17 stem predicates 2 loop predicates [2022-11-18 20:51:08,061 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 151 states and 185 transitions. cyclomatic complexity: 52 Second operand has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:08,672 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 151 states and 185 transitions. cyclomatic complexity: 52. Second operand has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 180 states and 232 transitions. Complement of second has 38 states. [2022-11-18 20:51:08,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 21 states 17 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-18 20:51:08,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:08,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 117 transitions. [2022-11-18 20:51:08,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 117 transitions. Stem has 132 letters. Loop has 2 letters. [2022-11-18 20:51:08,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:51:08,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 117 transitions. Stem has 134 letters. Loop has 2 letters. [2022-11-18 20:51:08,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:51:08,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 117 transitions. Stem has 132 letters. Loop has 4 letters. [2022-11-18 20:51:08,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:51:08,674 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 180 states and 232 transitions. [2022-11-18 20:51:08,675 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:51:08,675 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 180 states to 175 states and 225 transitions. [2022-11-18 20:51:08,675 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:51:08,675 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-18 20:51:08,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 175 states and 225 transitions. [2022-11-18 20:51:08,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:51:08,675 INFO L218 hiAutomatonCegarLoop]: Abstraction has 175 states and 225 transitions. [2022-11-18 20:51:08,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states and 225 transitions. [2022-11-18 20:51:08,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 156. [2022-11-18 20:51:08,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 156 states have (on average 1.2243589743589745) internal successors, (191), 155 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:08,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 191 transitions. [2022-11-18 20:51:08,678 INFO L240 hiAutomatonCegarLoop]: Abstraction has 156 states and 191 transitions. [2022-11-18 20:51:08,678 INFO L428 stractBuchiCegarLoop]: Abstraction has 156 states and 191 transitions. [2022-11-18 20:51:08,679 INFO L335 stractBuchiCegarLoop]: ======== Iteration 45 ============ [2022-11-18 20:51:08,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 156 states and 191 transitions. [2022-11-18 20:51:08,679 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:51:08,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:51:08,679 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:51:08,680 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [17, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:51:08,680 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:51:08,681 INFO L748 eck$LassoCheckResult]: Stem: 46135#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 46136#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 46142#L551 assume !(main_~length~0#1 < 1); 46151#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 46145#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 46146#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46154#L556 assume !(main_~val~0#1 < 0); 46215#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46152#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46153#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46137#L556 assume !(main_~val~0#1 < 0); 46138#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46139#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46214#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46213#L556 assume !(main_~val~0#1 < 0); 46212#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46211#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46210#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46209#L556 assume !(main_~val~0#1 < 0); 46208#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46207#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46206#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46205#L556 assume !(main_~val~0#1 < 0); 46204#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46203#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46202#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46201#L556 assume !(main_~val~0#1 < 0); 46200#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46199#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46198#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46197#L556 assume !(main_~val~0#1 < 0); 46196#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46195#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46194#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46193#L556 assume !(main_~val~0#1 < 0); 46192#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46191#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46190#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46189#L556 assume !(main_~val~0#1 < 0); 46188#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46187#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46186#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46185#L556 assume !(main_~val~0#1 < 0); 46184#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46183#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46182#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46181#L556 assume !(main_~val~0#1 < 0); 46180#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46179#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46178#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46177#L556 assume !(main_~val~0#1 < 0); 46176#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46175#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46174#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46173#L556 assume !(main_~val~0#1 < 0); 46172#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46171#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46170#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46169#L556 assume !(main_~val~0#1 < 0); 46168#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46167#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46166#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46165#L556 assume !(main_~val~0#1 < 0); 46164#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46163#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46162#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46159#L556 assume !(main_~val~0#1 < 0); 46161#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46160#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46158#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 46143#L554-4 main_~j~0#1 := 0; 46144#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 46155#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46289#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46288#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46156#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 46150#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46157#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46140#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46141#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 46286#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46285#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46284#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46283#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 46281#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46280#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46279#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46278#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 46276#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46275#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46274#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46273#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 46271#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46270#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46269#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46268#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 46266#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46265#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46264#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46263#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 46261#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46260#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46259#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46258#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 46256#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46255#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46254#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46253#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 46251#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46250#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46249#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46248#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 46246#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46245#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46244#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46243#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 46241#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46240#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46239#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46238#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 46236#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46235#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46234#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46233#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 46231#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46230#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46229#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46228#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 46226#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46225#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46224#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46223#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 46222#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46219#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46218#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46216#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 46148#L562-3 [2022-11-18 20:51:08,681 INFO L750 eck$LassoCheckResult]: Loop: 46148#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46147#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 46148#L562-3 [2022-11-18 20:51:08,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:08,681 INFO L85 PathProgramCache]: Analyzing trace with hash -2109253901, now seen corresponding path program 42 times [2022-11-18 20:51:08,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:51:08,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770459516] [2022-11-18 20:51:08,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:08,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:51:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:51:09,659 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 435 proven. 557 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:51:09,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:51:09,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770459516] [2022-11-18 20:51:09,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770459516] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:51:09,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242963003] [2022-11-18 20:51:09,660 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-18 20:51:09,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:51:09,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:51:09,661 INFO L229 MonitoredProcess]: Starting monitored process 439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:51:09,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_298b6c36-01ed-445d-81bf-aadd6070f7f1/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (439)] Waiting until timeout for monitored process [2022-11-18 20:51:11,764 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2022-11-18 20:51:11,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:51:11,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-18 20:51:11,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:51:12,683 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 496 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:51:12,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:51:13,343 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 496 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:51:13,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242963003] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:51:13,343 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:51:13,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 55 [2022-11-18 20:51:13,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286344338] [2022-11-18 20:51:13,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:51:13,344 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:51:13,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:13,344 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 42 times [2022-11-18 20:51:13,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:51:13,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571710295] [2022-11-18 20:51:13,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:13,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:51:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:13,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:51:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:13,354 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:51:13,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:51:13,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-11-18 20:51:13,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=707, Invalid=2373, Unknown=0, NotChecked=0, Total=3080 [2022-11-18 20:51:13,392 INFO L87 Difference]: Start difference. First operand 156 states and 191 transitions. cyclomatic complexity: 54 Second operand has 56 states, 55 states have (on average 3.8545454545454545) internal successors, (212), 56 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:14,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:51:14,174 INFO L93 Difference]: Finished difference Result 245 states and 298 transitions. [2022-11-18 20:51:14,174 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 245 states and 298 transitions. [2022-11-18 20:51:14,175 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:51:14,177 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 245 states to 163 states and 200 transitions. [2022-11-18 20:51:14,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:51:14,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:51:14,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 163 states and 200 transitions. [2022-11-18 20:51:14,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:51:14,177 INFO L218 hiAutomatonCegarLoop]: Abstraction has 163 states and 200 transitions. [2022-11-18 20:51:14,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states and 200 transitions. [2022-11-18 20:51:14,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 160. [2022-11-18 20:51:14,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 160 states have (on average 1.225) internal successors, (196), 159 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:51:14,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 196 transitions. [2022-11-18 20:51:14,180 INFO L240 hiAutomatonCegarLoop]: Abstraction has 160 states and 196 transitions. [2022-11-18 20:51:14,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-18 20:51:14,180 INFO L428 stractBuchiCegarLoop]: Abstraction has 160 states and 196 transitions. [2022-11-18 20:51:14,180 INFO L335 stractBuchiCegarLoop]: ======== Iteration 46 ============ [2022-11-18 20:51:14,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states and 196 transitions. [2022-11-18 20:51:14,181 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-18 20:51:14,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:51:14,181 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:51:14,182 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [17, 17, 17, 17, 17, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:51:14,182 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:51:14,182 INFO L748 eck$LassoCheckResult]: Stem: 47441#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 47442#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 47448#L551 assume !(main_~length~0#1 < 1); 47457#L551-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 47451#L553 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 47452#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47443#L556 assume !(main_~val~0#1 < 0); 47444#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47445#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47458#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47459#L556 assume !(main_~val~0#1 < 0); 47600#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47599#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47598#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47597#L556 assume !(main_~val~0#1 < 0); 47596#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47595#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47594#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47593#L556 assume !(main_~val~0#1 < 0); 47592#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47591#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47590#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47589#L556 assume !(main_~val~0#1 < 0); 47588#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47587#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47586#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47585#L556 assume !(main_~val~0#1 < 0); 47584#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47583#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47582#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47581#L556 assume !(main_~val~0#1 < 0); 47580#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47579#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47578#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47577#L556 assume !(main_~val~0#1 < 0); 47576#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47575#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47574#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47573#L556 assume !(main_~val~0#1 < 0); 47572#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47571#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47570#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47569#L556 assume !(main_~val~0#1 < 0); 47568#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47567#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47566#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47565#L556 assume !(main_~val~0#1 < 0); 47564#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47563#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47562#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47561#L556 assume !(main_~val~0#1 < 0); 47560#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47559#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47558#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47557#L556 assume !(main_~val~0#1 < 0); 47556#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47555#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47554#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47553#L556 assume !(main_~val~0#1 < 0); 47552#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47551#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47550#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47549#L556 assume !(main_~val~0#1 < 0); 47548#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47547#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47546#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47545#L556 assume !(main_~val~0#1 < 0); 47544#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47543#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47542#L554-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47468#L556 assume !(main_~val~0#1 < 0); 47471#L556-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47469#L554-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47467#L554-3 assume !(main_~i~0#1 < main_~length~0#1); 47449#L554-4 main_~j~0#1 := 0; 47450#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 47460#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47540#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47539#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47461#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 47456#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47462#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47446#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47447#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 47537#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47536#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47535#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47534#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 47532#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47531#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47530#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47529#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 47527#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47526#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47525#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47524#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 47522#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47521#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47520#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47519#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 47517#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47516#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47515#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47514#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 47512#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47511#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47510#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47509#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 47507#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47506#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47505#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47504#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 47502#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47501#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47500#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47499#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 47497#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47496#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47495#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47494#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 47492#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47491#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47490#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47489#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 47487#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47486#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47485#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47484#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 47482#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47481#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47480#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47479#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 47477#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47476#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47475#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47474#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 47473#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47466#L562-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47465#L561-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47463#L561-3 assume !!(main_~j~0#1 < main_~length~0#1); 47454#L562-3 [2022-11-18 20:51:14,182 INFO L750 eck$LassoCheckResult]: Loop: 47454#L562-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47453#L562-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 47454#L562-3 [2022-11-18 20:51:14,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:14,183 INFO L85 PathProgramCache]: Analyzing trace with hash 2100319468, now seen corresponding path program 43 times [2022-11-18 20:51:14,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:51:14,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543827557] [2022-11-18 20:51:14,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:14,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:51:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:14,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:51:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:14,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:51:14,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:14,303 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 43 times [2022-11-18 20:51:14,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:51:14,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735449179] [2022-11-18 20:51:14,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:14,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:51:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:14,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:51:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:14,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:51:14,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:51:14,313 INFO L85 PathProgramCache]: Analyzing trace with hash -227618831, now seen corresponding path program 26 times [2022-11-18 20:51:14,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:51:14,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669864708] [2022-11-18 20:51:14,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:51:14,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:51:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:14,376 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:51:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:51:14,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace