./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN --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 57960152a9bf4b248c47f0c82a3b75491126a96d6b32b1df09f50fe85234d3e3 --- 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-6b4ec56 [2022-11-20 11:25:26,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:25:26,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:25:26,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:25:26,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:25:26,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:25:26,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:25:26,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:25:26,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:25:26,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:25:26,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:25:26,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:25:26,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:25:26,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:25:26,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:25:26,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:25:26,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:25:26,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:25:26,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:25:26,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:25:26,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:25:26,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:25:26,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:25:26,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:25:26,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:25:26,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:25:26,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:25:26,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:25:26,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:25:26,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:25:26,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:25:26,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:25:26,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:25:26,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:25:26,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:25:26,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:25:26,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:25:26,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:25:26,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:25:26,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:25:26,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:25:26,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 11:25:26,284 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:25:26,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:25:26,285 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:25:26,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:25:26,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:25:26,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:25:26,288 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:25:26,288 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 11:25:26,288 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 11:25:26,288 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 11:25:26,289 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 11:25:26,290 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 11:25:26,290 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 11:25:26,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:25:26,290 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:25:26,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:25:26,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:25:26,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 11:25:26,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 11:25:26,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 11:25:26,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:25:26,292 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 11:25:26,292 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:25:26,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 11:25:26,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:25:26,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:25:26,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:25:26,294 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:25:26,295 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 11:25:26,296 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_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57960152a9bf4b248c47f0c82a3b75491126a96d6b32b1df09f50fe85234d3e3 [2022-11-20 11:25:26,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:25:26,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:25:26,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:25:26,621 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:25:26,622 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:25:26,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca-2.i [2022-11-20 11:25:29,636 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:25:29,963 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:25:29,964 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig3-alloca-2.i [2022-11-20 11:25:29,974 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/data/bcb32f8c3/e2ebe09ef8da47c295e0785d85c07243/FLAGd1872107b [2022-11-20 11:25:29,989 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/data/bcb32f8c3/e2ebe09ef8da47c295e0785d85c07243 [2022-11-20 11:25:29,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:25:29,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:25:29,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:25:29,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:25:29,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:25:30,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:25:29" (1/1) ... [2022-11-20 11:25:30,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb3f807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:30, skipping insertion in model container [2022-11-20 11:25:30,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:25:29" (1/1) ... [2022-11-20 11:25:30,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:25:30,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:25:30,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:25:30,371 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:25:30,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:25:30,458 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:25:30,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:30 WrapperNode [2022-11-20 11:25:30,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:25:30,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:25:30,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:25:30,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:25:30,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:30" (1/1) ... [2022-11-20 11:25:30,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:30" (1/1) ... [2022-11-20 11:25:30,494 INFO L138 Inliner]: procedures = 110, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2022-11-20 11:25:30,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:25:30,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:25:30,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:25:30,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:25:30,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:30" (1/1) ... [2022-11-20 11:25:30,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:30" (1/1) ... [2022-11-20 11:25:30,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:30" (1/1) ... [2022-11-20 11:25:30,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:30" (1/1) ... [2022-11-20 11:25:30,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:30" (1/1) ... [2022-11-20 11:25:30,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:30" (1/1) ... [2022-11-20 11:25:30,514 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:30" (1/1) ... [2022-11-20 11:25:30,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:30" (1/1) ... [2022-11-20 11:25:30,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:25:30,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:25:30,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:25:30,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:25:30,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:30" (1/1) ... [2022-11-20 11:25:30,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:30,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:30,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:30,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 11:25:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:25:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:25:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:25:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:25:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:25:30,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:25:30,682 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:25:30,684 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:25:30,793 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:25:30,799 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:25:30,799 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:25:30,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:25:30 BoogieIcfgContainer [2022-11-20 11:25:30,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:25:30,802 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 11:25:30,802 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 11:25:30,807 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 11:25:30,807 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:25:30,808 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 11:25:29" (1/3) ... [2022-11-20 11:25:30,809 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@105a1d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:25:30, skipping insertion in model container [2022-11-20 11:25:30,809 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:25:30,809 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:25:30" (2/3) ... [2022-11-20 11:25:30,810 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@105a1d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:25:30, skipping insertion in model container [2022-11-20 11:25:30,810 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:25:30,810 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:25:30" (3/3) ... [2022-11-20 11:25:30,812 INFO L332 chiAutomizerObserver]: Analyzing ICFG CookSeeZuleger-2013TACAS-Fig3-alloca-2.i [2022-11-20 11:25:30,867 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 11:25:30,868 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 11:25:30,868 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 11:25:30,868 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 11:25:30,868 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 11:25:30,868 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 11:25:30,868 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 11:25:30,869 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 11:25:30,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:25:30,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 11:25:30,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:25:30,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:25:30,898 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:25:30,899 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 11:25:30,899 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 11:25:30,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:25:30,900 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 11:25:30,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:25:30,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:25:30,901 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:25:30,902 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 11:25:30,909 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 8#L553-2true [2022-11-20 11:25:30,910 INFO L750 eck$LassoCheckResult]: Loop: 8#L553-2true call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 10#L552-1true assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 6#L552-3true assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1; 3#L553true assume 0 != main_#t~nondet9#1;havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem10#1; 8#L553-2true [2022-11-20 11:25:30,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:30,926 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 11:25:30,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:25:30,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617702310] [2022-11-20 11:25:30,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:25:30,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:25:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:31,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:25:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:31,169 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:25:31,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:31,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 1 times [2022-11-20 11:25:31,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:25:31,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161950273] [2022-11-20 11:25:31,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:25:31,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:25:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:31,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:25:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:31,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:25:31,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:31,224 INFO L85 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2022-11-20 11:25:31,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:25:31,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249553422] [2022-11-20 11:25:31,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:25:31,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:25:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:31,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:25:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:31,283 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:25:31,841 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:25:31,842 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:25:31,842 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:25:31,842 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:25:31,843 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:25:31,843 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:31,843 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:25:31,843 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:25:31,843 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca-2.i_Iteration1_Lasso [2022-11-20 11:25:31,843 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:25:31,844 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:25:31,863 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:31,873 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:31,875 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:31,880 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:31,883 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:31,885 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:32,191 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:32,194 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:32,197 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:32,201 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:32,207 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:32,210 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:32,213 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:32,216 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:32,219 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:32,222 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:32,686 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:25:32,692 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:25:32,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:32,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:32,706 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:32,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 11:25:32,710 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 [2022-11-20 11:25:32,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:32,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:25:32,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:32,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:32,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:32,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:25:32,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:25:32,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:32,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:32,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:32,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:32,752 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:32,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:32,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:32,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:25:32,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:32,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:32,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:32,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:25:32,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:25:32,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 11:25:32,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:32,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:32,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:32,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:32,805 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:32,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:32,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:32,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:32,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:32,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:32,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 11:25:32,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:32,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:32,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:32,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:32,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:32,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:32,855 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:32,864 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 [2022-11-20 11:25:32,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:32,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:32,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:32,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:32,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:32,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:32,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 11:25:32,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:32,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:32,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:32,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:32,912 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:32,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:32,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:32,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:25:32,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:32,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:32,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:32,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:25:32,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:25:32,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:32,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 11:25:32,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:32,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:32,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:32,954 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:32,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:32,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 11:25:32,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:32,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:32,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:32,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:32,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:32,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:33,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:33,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:33,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:33,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:33,013 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:33,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:33,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 11:25:33,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:33,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:33,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:33,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:33,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:33,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:33,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:33,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:33,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:33,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:33,076 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:33,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:33,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:33,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:33,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:33,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:33,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 11:25:33,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:33,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:33,112 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:25:33,124 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-20 11:25:33,124 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-20 11:25:33,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:33,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:33,147 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:33,154 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:25:33,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 11:25:33,187 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 11:25:33,187 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:25:33,188 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1 Supporting invariants [] [2022-11-20 11:25:33,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:33,242 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2022-11-20 11:25:33,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:25:33,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:25:33,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:25:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:25:33,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 11:25:33,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:25:33,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:25:33,499 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-20 11:25:33,501 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 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 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:25:33,565 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 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 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 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 48 transitions. Complement of second has 10 states. [2022-11-20 11:25:33,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-20 11:25:33,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:25:33,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. [2022-11-20 11:25:33,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-20 11:25:33,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:25:33,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-20 11:25:33,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:25:33,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 2 letters. Loop has 8 letters. [2022-11-20 11:25:33,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:25:33,582 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 48 transitions. [2022-11-20 11:25:33,587 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 11:25:33,591 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 16 states and 22 transitions. [2022-11-20 11:25:33,592 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 11:25:33,593 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-20 11:25:33,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2022-11-20 11:25:33,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:25:33,598 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-11-20 11:25:33,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2022-11-20 11:25:33,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2022-11-20 11:25:33,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 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) [2022-11-20 11:25:33,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2022-11-20 11:25:33,624 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2022-11-20 11:25:33,624 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2022-11-20 11:25:33,628 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 11:25:33,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2022-11-20 11:25:33,631 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 11:25:33,631 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:25:33,631 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:25:33,631 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-20 11:25:33,631 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 11:25:33,632 INFO L748 eck$LassoCheckResult]: Stem: 149#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 150#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 154#L553-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 153#L552-1 assume !main_#t~short8#1; 147#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1; 143#L553 assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;call write~int(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1; 144#L553-2 [2022-11-20 11:25:33,632 INFO L750 eck$LassoCheckResult]: Loop: 144#L553-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 151#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 156#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1; 155#L553 assume 0 != main_#t~nondet9#1;havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem10#1; 144#L553-2 [2022-11-20 11:25:33,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:33,636 INFO L85 PathProgramCache]: Analyzing trace with hash 889571373, now seen corresponding path program 1 times [2022-11-20 11:25:33,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:25:33,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183731963] [2022-11-20 11:25:33,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:25:33,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:25:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:25:33,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:25:33,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:25:33,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183731963] [2022-11-20 11:25:33,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183731963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:25:33,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:25:33,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:25:33,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405761802] [2022-11-20 11:25:33,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:25:33,772 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 11:25:33,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:33,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 2 times [2022-11-20 11:25:33,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:25:33,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146696578] [2022-11-20 11:25:33,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:25:33,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:25:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:33,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:25:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:33,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:25:33,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:25:33,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:25:33,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:25:33,961 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:25:33,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:25:33,979 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2022-11-20 11:25:33,979 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2022-11-20 11:25:33,983 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 11:25:33,983 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 14 states and 17 transitions. [2022-11-20 11:25:33,983 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 11:25:33,983 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 11:25:33,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2022-11-20 11:25:33,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:25:33,984 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-20 11:25:33,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2022-11-20 11:25:33,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-20 11:25:33,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:25:33,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2022-11-20 11:25:33,987 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-20 11:25:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:25:33,988 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-20 11:25:33,989 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 11:25:33,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2022-11-20 11:25:33,990 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 11:25:33,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:25:33,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:25:33,992 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-20 11:25:33,992 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 11:25:33,992 INFO L748 eck$LassoCheckResult]: Stem: 184#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 185#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 191#L553-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 190#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 186#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1; 180#L553 assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;call write~int(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1; 181#L553-2 [2022-11-20 11:25:33,992 INFO L750 eck$LassoCheckResult]: Loop: 181#L553-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 188#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 193#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1; 192#L553 assume 0 != main_#t~nondet9#1;havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem10#1; 181#L553-2 [2022-11-20 11:25:33,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:33,993 INFO L85 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 1 times [2022-11-20 11:25:33,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:25:33,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759696295] [2022-11-20 11:25:33,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:25:33,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:25:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:34,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:25:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:34,048 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:25:34,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:34,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 3 times [2022-11-20 11:25:34,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:25:34,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135559448] [2022-11-20 11:25:34,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:25:34,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:25:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:34,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:25:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:34,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:25:34,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:34,063 INFO L85 PathProgramCache]: Analyzing trace with hash -980235887, now seen corresponding path program 1 times [2022-11-20 11:25:34,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:25:34,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177662724] [2022-11-20 11:25:34,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:25:34,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:25:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:34,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:25:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:34,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:25:34,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:34,821 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:25:34,822 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:25:34,822 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:25:34,822 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:25:34,822 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:25:34,822 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:34,822 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:25:34,822 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:25:34,822 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca-2.i_Iteration3_Lasso [2022-11-20 11:25:34,823 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:25:34,823 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:25:34,826 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:34,829 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:34,831 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:34,834 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:34,837 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:34,839 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:34,842 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:34,845 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:34,848 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:34,851 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:34,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:34,856 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:34,859 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:34,862 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:35,171 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:35,175 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:35,178 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:35,502 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:25:35,502 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:25:35,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:35,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:35,503 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:35,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:35,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 11:25:35,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:35,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:25:35,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:35,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:35,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:35,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:25:35,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:25:35,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:35,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:35,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:35,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:35,543 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:35,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:35,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:35,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:25:35,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:35,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:35,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:35,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:25:35,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:25:35,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 11:25:35,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:35,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:35,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:35,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:35,589 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:35,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 11:25:35,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:35,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:35,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:25:35,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:35,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:35,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:35,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:25:35,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:25:35,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:35,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:35,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:35,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:35,636 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:35,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 11:25:35,647 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 [2022-11-20 11:25:35,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:35,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:35,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:35,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:35,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:35,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:35,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:35,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:35,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:35,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:35,682 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:35,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 11:25:35,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:35,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:35,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:25:35,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:35,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:35,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:35,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:25:35,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:25:35,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:35,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:35,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:35,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:35,732 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:35,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 11:25:35,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:35,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:35,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:25:35,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:35,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:35,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:35,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:25:35,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:25:35,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:35,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:35,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:35,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:35,782 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:35,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:35,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:35,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:35,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:35,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:35,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:35,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:35,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 11:25:35,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:35,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:35,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:35,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:35,827 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:35,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:35,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:35,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:35,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:35,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:35,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:35,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:35,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 11:25:35,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:35,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:35,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:35,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:35,880 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:35,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 11:25:35,891 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 [2022-11-20 11:25:35,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:35,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:35,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:35,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:35,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:35,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:35,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:35,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:35,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:35,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:35,930 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:35,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 11:25:35,943 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 [2022-11-20 11:25:35,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:35,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:25:35,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:35,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:35,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:35,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:25:35,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:25:35,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:35,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:35,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:35,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:35,975 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:35,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 11:25:35,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:36,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:36,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:25:36,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:36,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:36,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:36,001 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:25:36,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:25:36,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:36,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:36,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:36,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:36,021 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:36,025 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 [2022-11-20 11:25:36,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:36,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:25:36,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:36,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:36,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:36,038 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:25:36,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:25:36,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 11:25:36,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:36,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:36,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:36,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:36,057 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:36,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:36,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:36,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:36,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:36,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:36,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:36,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:36,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-20 11:25:36,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:36,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:36,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:36,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:36,108 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:36,111 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 [2022-11-20 11:25:36,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:36,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:36,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:36,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:36,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 11:25:36,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:36,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:36,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:36,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:36,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:36,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:36,164 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:36,167 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 [2022-11-20 11:25:36,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:36,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:36,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:36,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:36,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 11:25:36,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:36,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:36,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:36,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:36,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:36,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:36,211 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:36,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:36,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:36,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:36,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:36,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:36,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:36,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:36,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 11:25:36,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:36,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:36,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:36,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:36,252 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:36,255 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 [2022-11-20 11:25:36,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:36,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:36,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:36,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:36,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:36,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:36,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 11:25:36,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:36,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:36,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:36,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:36,284 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:36,287 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 [2022-11-20 11:25:36,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:36,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:36,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:36,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:36,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 11:25:36,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:36,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:36,313 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:25:36,322 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 11:25:36,322 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-20 11:25:36,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:36,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:36,325 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:36,332 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:25:36,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-20 11:25:36,354 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 11:25:36,354 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:25:36,354 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2 Supporting invariants [] [2022-11-20 11:25:36,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:36,393 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2022-11-20 11:25:36,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:36,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:25:36,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:25:36,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:25:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:25:36,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 11:25:36,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:25:36,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:25:36,558 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-20 11:25:36,558 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:25:36,589 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 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 22 states and 27 transitions. Complement of second has 7 states. [2022-11-20 11:25:36,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 11:25:36,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:25:36,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2022-11-20 11:25:36,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-20 11:25:36,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:25:36,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2022-11-20 11:25:36,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:25:36,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 8 letters. [2022-11-20 11:25:36,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:25:36,593 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2022-11-20 11:25:36,595 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 11:25:36,599 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 27 transitions. [2022-11-20 11:25:36,600 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-20 11:25:36,600 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-20 11:25:36,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. [2022-11-20 11:25:36,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:25:36,600 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-20 11:25:36,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. [2022-11-20 11:25:36,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-20 11:25:36,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 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) [2022-11-20 11:25:36,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2022-11-20 11:25:36,605 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-20 11:25:36,605 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-20 11:25:36,605 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 11:25:36,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2022-11-20 11:25:36,611 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 11:25:36,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:25:36,611 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:25:36,612 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1] [2022-11-20 11:25:36,612 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 11:25:36,612 INFO L748 eck$LassoCheckResult]: Stem: 320#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 321#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 325#L553-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 331#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 330#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1; 328#L553 assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;call write~int(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1; 327#L553-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 324#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 318#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1; 314#L553 assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;call write~int(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1; 315#L553-2 [2022-11-20 11:25:36,613 INFO L750 eck$LassoCheckResult]: Loop: 315#L553-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 322#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 326#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1; 329#L553 assume 0 != main_#t~nondet9#1;havoc main_#t~nondet9#1;call main_#t~mem10#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem10#1; 315#L553-2 [2022-11-20 11:25:36,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:36,613 INFO L85 PathProgramCache]: Analyzing trace with hash -980235885, now seen corresponding path program 2 times [2022-11-20 11:25:36,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:25:36,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953437523] [2022-11-20 11:25:36,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:25:36,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:25:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:36,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:25:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:36,650 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:25:36,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:36,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 4 times [2022-11-20 11:25:36,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:25:36,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065711664] [2022-11-20 11:25:36,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:25:36,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:25:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:36,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:25:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:36,664 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:25:36,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:36,665 INFO L85 PathProgramCache]: Analyzing trace with hash -987685255, now seen corresponding path program 2 times [2022-11-20 11:25:36,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:25:36,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272471740] [2022-11-20 11:25:36,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:25:36,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:25:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:36,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:25:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:36,706 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:25:37,812 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:25:37,812 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:25:37,812 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:25:37,812 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:25:37,812 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:25:37,812 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:37,813 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:25:37,813 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:25:37,813 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca-2.i_Iteration4_Lasso [2022-11-20 11:25:37,813 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:25:37,813 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:25:37,816 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:38,153 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:38,156 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:38,158 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:38,161 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:38,163 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:38,165 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:38,167 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:38,169 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:38,172 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:38,175 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:38,178 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:38,180 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:38,183 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:38,185 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:38,187 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:38,191 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:38,540 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:25:38,540 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:25:38,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:38,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:38,542 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:38,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:38,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:38,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:38,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:38,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:38,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-20 11:25:38,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:38,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:38,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:38,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:38,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:38,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:38,580 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:38,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:38,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:38,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:38,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:38,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:38,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:38,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:38,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-20 11:25:38,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:38,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:38,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:38,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:38,620 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:38,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-20 11:25:38,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:38,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:38,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:38,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:38,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:38,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:38,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:38,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:38,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:38,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:38,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:38,679 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:38,687 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 [2022-11-20 11:25:38,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-20 11:25:38,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:38,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:38,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:38,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:38,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:38,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:38,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:38,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:38,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:38,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:38,734 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:38,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:38,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:38,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:38,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:38,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:38,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-20 11:25:38,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:38,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:38,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:38,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:38,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:38,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:38,784 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:38,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:38,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:38,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:38,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:38,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:38,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-20 11:25:38,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:38,814 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:38,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:25:38,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:38,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:38,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:38,848 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:38,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:38,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:38,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:38,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:38,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:38,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-20 11:25:38,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:38,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:38,886 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:25:38,895 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-20 11:25:38,895 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-20 11:25:38,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:38,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:38,897 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:38,904 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:25:38,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-20 11:25:38,932 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 11:25:38,932 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:25:38,932 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_3 Supporting invariants [] [2022-11-20 11:25:38,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:38,969 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2022-11-20 11:25:38,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:25:39,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:25:39,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:25:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:25:39,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 11:25:39,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:25:39,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:25:39,100 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-20 11:25:39,100 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:25:39,131 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 28 states and 35 transitions. Complement of second has 7 states. [2022-11-20 11:25:39,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 11:25:39,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:25:39,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2022-11-20 11:25:39,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2022-11-20 11:25:39,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:25:39,133 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 11:25:39,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:25:39,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:25:39,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:25:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:25:39,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 11:25:39,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:25:39,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:25:39,263 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-20 11:25:39,263 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:25:39,289 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 28 states and 35 transitions. Complement of second has 7 states. [2022-11-20 11:25:39,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 11:25:39,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:25:39,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2022-11-20 11:25:39,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2022-11-20 11:25:39,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:25:39,294 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 11:25:39,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:25:39,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:25:39,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:25:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:25:39,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 11:25:39,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:25:39,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:25:39,408 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-20 11:25:39,408 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:25:39,443 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 32 states and 40 transitions. Complement of second has 6 states. [2022-11-20 11:25:39,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 11:25:39,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:25:39,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2022-11-20 11:25:39,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 10 letters. Loop has 4 letters. [2022-11-20 11:25:39,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:25:39,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 4 letters. [2022-11-20 11:25:39,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:25:39,447 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 10 letters. Loop has 8 letters. [2022-11-20 11:25:39,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:25:39,447 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 40 transitions. [2022-11-20 11:25:39,449 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-20 11:25:39,450 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 26 states and 32 transitions. [2022-11-20 11:25:39,450 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-20 11:25:39,450 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-20 11:25:39,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 32 transitions. [2022-11-20 11:25:39,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:25:39,451 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 32 transitions. [2022-11-20 11:25:39,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 32 transitions. [2022-11-20 11:25:39,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 10. [2022-11-20 11:25:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:25:39,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2022-11-20 11:25:39,456 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-11-20 11:25:39,456 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-11-20 11:25:39,456 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-20 11:25:39,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2022-11-20 11:25:39,456 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-20 11:25:39,457 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:25:39,457 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:25:39,457 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:25:39,457 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 11:25:39,457 INFO L748 eck$LassoCheckResult]: Stem: 639#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 640#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet9#1, main_#t~mem10#1, main_#t~nondet11#1, main_#t~mem12#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 636#L553-2 [2022-11-20 11:25:39,457 INFO L750 eck$LassoCheckResult]: Loop: 636#L553-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := main_#t~mem6#1 > 0; 644#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 641#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1; 635#L553 assume !(0 != main_#t~nondet9#1);havoc main_#t~nondet9#1;call write~int(main_#t~nondet11#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet11#1;call main_#t~mem12#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem12#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem12#1; 636#L553-2 [2022-11-20 11:25:39,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:39,458 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-11-20 11:25:39,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:25:39,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839857720] [2022-11-20 11:25:39,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:25:39,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:25:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:39,484 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:25:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:39,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:25:39,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:39,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1142249, now seen corresponding path program 1 times [2022-11-20 11:25:39,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:25:39,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949922913] [2022-11-20 11:25:39,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:25:39,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:25:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:39,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:25:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:39,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:25:39,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:39,525 INFO L85 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 3 times [2022-11-20 11:25:39,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:25:39,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775996836] [2022-11-20 11:25:39,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:25:39,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:25:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:39,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:25:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:25:39,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:25:39,945 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:25:39,945 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:25:39,945 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:25:39,945 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:25:39,945 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:25:39,945 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:39,945 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:25:39,945 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:25:39,945 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig3-alloca-2.i_Iteration5_Lasso [2022-11-20 11:25:39,945 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:25:39,946 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:25:39,948 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:40,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:40,252 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:40,255 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:40,257 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:40,261 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:40,263 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:40,265 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:40,272 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:40,276 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:40,278 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:40,280 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:40,283 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:40,285 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:40,288 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:40,294 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:40,297 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:25:40,581 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:25:40,582 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:25:40,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:40,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:40,583 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:40,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:25:40,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:25:40,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:25:40,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:25:40,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:25:40,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:25:40,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:25:40,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-20 11:25:40,619 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:25:40,624 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-20 11:25:40,624 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-20 11:25:40,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:25:40,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:25:40,627 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:25:40,635 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:25:40,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-20 11:25:40,651 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 11:25:40,651 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:25:40,651 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_4 Supporting invariants [] [2022-11-20 11:25:40,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-11-20 11:25:40,686 INFO L156 tatePredicateManager]: 9 out of 11 supporting invariants were superfluous and have been removed [2022-11-20 11:25:40,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:25:40,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 11:25:40,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:25:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:25:40,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 11:25:40,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:25:40,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:25:40,821 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-20 11:25:40,821 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 3 Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:25:40,883 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 3. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 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 8 states. [2022-11-20 11:25:40,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-20 11:25:40,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:25:40,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2022-11-20 11:25:40,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-20 11:25:40,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:25:40,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-20 11:25:40,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:25:40,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 8 letters. [2022-11-20 11:25:40,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:25:40,885 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 33 transitions. [2022-11-20 11:25:40,886 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 11:25:40,886 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2022-11-20 11:25:40,886 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 11:25:40,886 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 11:25:40,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 11:25:40,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:25:40,886 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:25:40,886 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:25:40,886 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:25:40,886 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-20 11:25:40,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:25:40,887 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 11:25:40,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 11:25:40,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 11:25:40 BoogieIcfgContainer [2022-11-20 11:25:40,894 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 11:25:40,895 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:25:40,895 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:25:40,895 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:25:40,896 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:25:30" (3/4) ... [2022-11-20 11:25:40,898 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 11:25:40,899 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:25:40,899 INFO L158 Benchmark]: Toolchain (without parser) took 10906.65ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 166.2MB in the beginning and 149.2MB in the end (delta: 17.1MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2022-11-20 11:25:40,900 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:25:40,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.72ms. Allocated memory is still 201.3MB. Free memory was 166.2MB in the beginning and 150.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 11:25:40,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.90ms. Allocated memory is still 201.3MB. Free memory was 150.9MB in the beginning and 148.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:25:40,901 INFO L158 Benchmark]: Boogie Preprocessor took 21.20ms. Allocated memory is still 201.3MB. Free memory was 148.8MB in the beginning and 147.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:25:40,901 INFO L158 Benchmark]: RCFGBuilder took 284.36ms. Allocated memory is still 201.3MB. Free memory was 147.7MB in the beginning and 136.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 11:25:40,901 INFO L158 Benchmark]: BuchiAutomizer took 10092.03ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 136.2MB in the beginning and 149.2MB in the end (delta: -13.0MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2022-11-20 11:25:40,902 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 243.3MB. Free memory is still 149.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:25:40,903 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.72ms. Allocated memory is still 201.3MB. Free memory was 166.2MB in the beginning and 150.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.90ms. Allocated memory is still 201.3MB. Free memory was 150.9MB in the beginning and 148.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.20ms. Allocated memory is still 201.3MB. Free memory was 148.8MB in the beginning and 147.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 284.36ms. Allocated memory is still 201.3MB. Free memory was 147.7MB in the beginning and 136.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 10092.03ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 136.2MB in the beginning and 149.2MB in the end (delta: -13.0MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Witness Printer took 3.87ms. Allocated memory is still 243.3MB. Free memory is still 149.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 4 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 5 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.0s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 8.6s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 60 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 50 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital570 mio100 ax106 hnf100 lsp90 ukn46 mio100 lsp37 div100 bol100 ite100 ukn100 eq189 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 11:25:40,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-20 11:25:41,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115202d0-f805-4713-8d7d-a7e35d1d49f7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE