./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/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_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/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 32bit --witnessprinter.graph.data.programhash 2407fc1341f915e07c0451c9d94952a51e657d88233cd0bc37ed2523188f0c82 --- 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 09:33:14,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:33:14,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:33:14,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:33:14,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:33:14,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:33:14,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:33:14,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:33:14,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:33:14,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:33:14,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:33:14,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:33:14,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:33:14,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:33:14,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:33:14,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:33:14,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:33:14,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:33:14,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:33:14,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:33:14,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:33:14,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:33:14,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:33:14,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:33:14,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:33:14,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:33:14,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:33:14,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:33:14,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:33:14,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:33:14,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:33:14,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:33:14,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:33:14,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:33:14,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:33:14,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:33:14,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:33:14,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:33:14,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:33:14,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:33:14,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:33:14,383 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 09:33:14,406 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:33:14,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:33:14,407 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:33:14,407 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:33:14,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:33:14,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:33:14,409 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:33:14,409 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 09:33:14,410 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 09:33:14,410 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 09:33:14,410 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 09:33:14,411 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 09:33:14,411 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 09:33:14,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:33:14,411 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:33:14,412 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 09:33:14,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:33:14,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:33:14,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:33:14,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 09:33:14,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 09:33:14,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 09:33:14,414 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:33:14,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:33:14,414 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 09:33:14,414 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:33:14,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 09:33:14,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:33:14,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:33:14,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:33:14,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:33:14,417 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 09:33:14,417 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_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2407fc1341f915e07c0451c9d94952a51e657d88233cd0bc37ed2523188f0c82 [2022-11-20 09:33:14,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:33:14,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:33:14,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:33:14,724 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:33:14,725 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:33:14,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i [2022-11-20 09:33:17,955 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:33:18,201 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:33:18,202 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/sv-benchmarks/c/array-memsafety/count_down-alloca-1.i [2022-11-20 09:33:18,220 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/data/85e4281fe/7b18c1e19fc94df7852564d4136f50bd/FLAG63a7bd4ba [2022-11-20 09:33:18,241 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/data/85e4281fe/7b18c1e19fc94df7852564d4136f50bd [2022-11-20 09:33:18,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:33:18,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:33:18,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:33:18,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:33:18,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:33:18,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:33:18" (1/1) ... [2022-11-20 09:33:18,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4377e4a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:18, skipping insertion in model container [2022-11-20 09:33:18,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:33:18" (1/1) ... [2022-11-20 09:33:18,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:33:18,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:33:18,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:33:18,597 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:33:18,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:33:18,701 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:33:18,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:18 WrapperNode [2022-11-20 09:33:18,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:33:18,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:33:18,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:33:18,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:33:18,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:18" (1/1) ... [2022-11-20 09:33:18,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:18" (1/1) ... [2022-11-20 09:33:18,752 INFO L138 Inliner]: procedures = 115, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2022-11-20 09:33:18,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:33:18,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:33:18,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:33:18,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:33:18,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:18" (1/1) ... [2022-11-20 09:33:18,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:18" (1/1) ... [2022-11-20 09:33:18,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:18" (1/1) ... [2022-11-20 09:33:18,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:18" (1/1) ... [2022-11-20 09:33:18,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:18" (1/1) ... [2022-11-20 09:33:18,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:18" (1/1) ... [2022-11-20 09:33:18,773 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:18" (1/1) ... [2022-11-20 09:33:18,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:18" (1/1) ... [2022-11-20 09:33:18,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:33:18,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:33:18,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:33:18,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:33:18,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:18" (1/1) ... [2022-11-20 09:33:18,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:18,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:18,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:18,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 09:33:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 09:33:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 09:33:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:33:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:33:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:33:18,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:33:18,954 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:33:18,957 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:33:19,111 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:33:19,117 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:33:19,117 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 09:33:19,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:33:19 BoogieIcfgContainer [2022-11-20 09:33:19,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:33:19,136 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 09:33:19,136 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 09:33:19,139 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 09:33:19,145 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 09:33:19,145 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 09:33:18" (1/3) ... [2022-11-20 09:33:19,146 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1caafbdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:33:19, skipping insertion in model container [2022-11-20 09:33:19,146 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 09:33:19,158 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:18" (2/3) ... [2022-11-20 09:33:19,159 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1caafbdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:33:19, skipping insertion in model container [2022-11-20 09:33:19,159 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 09:33:19,159 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:33:19" (3/3) ... [2022-11-20 09:33:19,161 INFO L332 chiAutomizerObserver]: Analyzing ICFG count_down-alloca-1.i [2022-11-20 09:33:19,229 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 09:33:19,229 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 09:33:19,229 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 09:33:19,229 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 09:33:19,230 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 09:33:19,230 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 09:33:19,230 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 09:33:19,230 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 09:33:19,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:19,249 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-20 09:33:19,249 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:19,250 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:19,254 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-20 09:33:19,254 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 09:33:19,255 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 09:33:19,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:19,256 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-20 09:33:19,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:19,257 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:19,257 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-20 09:33:19,257 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 09:33:19,280 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; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 18#L516true assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 16#L516-2true call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 12#L518true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 13#L519-3true [2022-11-20 09:33:19,280 INFO L750 eck$LassoCheckResult]: Loop: 13#L519-3true assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 14#L521true assume main_~val~0#1 < 0;main_~val~0#1 := 0; 8#L521-2true call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9#L519-2true main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13#L519-3true [2022-11-20 09:33:19,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:19,287 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2022-11-20 09:33:19,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:19,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172030420] [2022-11-20 09:33:19,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:19,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:19,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:19,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:19,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:19,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1603878, now seen corresponding path program 1 times [2022-11-20 09:33:19,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:19,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990906385] [2022-11-20 09:33:19,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:19,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:19,457 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:19,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:19,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:19,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1182970350, now seen corresponding path program 1 times [2022-11-20 09:33:19,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:19,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063048750] [2022-11-20 09:33:19,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:19,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:19,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:19,525 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:19,879 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:33:19,879 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:33:19,879 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:33:19,879 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:33:19,880 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:33:19,880 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:19,880 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:33:19,880 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:33:19,880 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration1_Lasso [2022-11-20 09:33:19,880 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:33:19,881 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:33:19,901 INFO 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 09:33:20,100 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:20,104 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:20,107 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:20,111 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:20,115 INFO 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 09:33:20,119 INFO 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 09:33:20,122 INFO 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 09:33:20,127 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:20,130 INFO 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 09:33:20,134 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:20,138 INFO 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 09:33:20,142 INFO 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 09:33:20,147 INFO 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 09:33:20,151 INFO 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 09:33:20,588 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:33:20,595 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:33:20,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:20,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:20,603 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:20,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:20,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 09:33:20,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:20,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:20,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:20,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:20,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:20,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:20,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:20,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:20,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:20,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:20,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:20,677 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:20,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 09:33:20,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:20,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:20,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:20,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:20,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:20,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:20,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:20,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:20,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:20,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:20,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:20,754 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:20,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:20,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 09:33:20,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:20,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:20,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:20,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:20,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:20,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:20,819 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:33:20,890 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-11-20 09:33:20,891 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. [2022-11-20 09:33:20,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:20,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:20,935 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:20,940 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:33:20,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 09:33:20,968 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-20 09:33:20,969 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:33:20,969 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_#t~malloc3#1.base)_1) = -4*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc3#1.base)_1 Supporting invariants [1*ULTIMATE.start_main_~arr~0#1.offset >= 0] [2022-11-20 09:33:20,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:20,998 INFO L156 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2022-11-20 09:33:21,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:21,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:33:21,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:21,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 09:33:21,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:21,204 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 09:33:21,251 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 09:33:21,253 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:21,356 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 57 transitions. Complement of second has 9 states. [2022-11-20 09:33:21,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 09:33:21,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:21,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 37 transitions. [2022-11-20 09:33:21,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-20 09:33:21,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:21,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 9 letters. Loop has 4 letters. [2022-11-20 09:33:21,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:21,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 5 letters. Loop has 8 letters. [2022-11-20 09:33:21,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:21,368 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 57 transitions. [2022-11-20 09:33:21,371 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 09:33:21,375 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 15 states and 20 transitions. [2022-11-20 09:33:21,376 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 09:33:21,377 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-20 09:33:21,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2022-11-20 09:33:21,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:21,378 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-20 09:33:21,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2022-11-20 09:33:21,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-20 09:33:21,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:21,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2022-11-20 09:33:21,405 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-20 09:33:21,405 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-20 09:33:21,405 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 09:33:21,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2022-11-20 09:33:21,406 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 09:33:21,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:21,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:21,407 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:21,407 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 09:33:21,408 INFO L748 eck$LassoCheckResult]: Stem: 137#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 138#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 144#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 149#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 145#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 146#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 147#L519-4 main_~j~0#1 := 0; 136#L526-3 [2022-11-20 09:33:21,408 INFO L750 eck$LassoCheckResult]: Loop: 136#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 140#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 139#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 135#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 136#L526-3 [2022-11-20 09:33:21,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:21,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815512, now seen corresponding path program 1 times [2022-11-20 09:33:21,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:21,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255673588] [2022-11-20 09:33:21,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:21,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:21,575 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 09:33:21,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:21,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255673588] [2022-11-20 09:33:21,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255673588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:21,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:21,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:33:21,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751654526] [2022-11-20 09:33:21,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:21,583 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:33:21,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:21,585 INFO L85 PathProgramCache]: Analyzing trace with hash 2252300, now seen corresponding path program 1 times [2022-11-20 09:33:21,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:21,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920894707] [2022-11-20 09:33:21,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:21,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:21,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:21,612 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:21,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:21,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:33:21,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:33:21,673 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:21,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:21,718 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2022-11-20 09:33:21,718 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2022-11-20 09:33:21,722 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 09:33:21,723 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 23 transitions. [2022-11-20 09:33:21,724 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 09:33:21,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-20 09:33:21,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2022-11-20 09:33:21,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:21,724 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-11-20 09:33:21,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2022-11-20 09:33:21,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2022-11-20 09:33:21,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:21,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2022-11-20 09:33:21,728 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-20 09:33:21,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:33:21,730 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-20 09:33:21,734 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 09:33:21,734 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2022-11-20 09:33:21,736 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-20 09:33:21,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:21,736 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:21,737 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:21,738 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 09:33:21,738 INFO L748 eck$LassoCheckResult]: Stem: 179#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 180#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 184#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 189#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 185#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 186#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 187#L521 assume !(main_~val~0#1 < 0); 181#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 182#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 183#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 188#L519-4 main_~j~0#1 := 0; 176#L526-3 [2022-11-20 09:33:21,738 INFO L750 eck$LassoCheckResult]: Loop: 176#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 178#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 177#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 175#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 176#L526-3 [2022-11-20 09:33:21,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:21,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1329979393, now seen corresponding path program 1 times [2022-11-20 09:33:21,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:21,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633694710] [2022-11-20 09:33:21,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:21,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:21,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:21,808 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:21,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:21,808 INFO L85 PathProgramCache]: Analyzing trace with hash 2252300, now seen corresponding path program 2 times [2022-11-20 09:33:21,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:21,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816739093] [2022-11-20 09:33:21,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:21,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:21,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:21,827 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:21,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:21,827 INFO L85 PathProgramCache]: Analyzing trace with hash -2035265782, now seen corresponding path program 1 times [2022-11-20 09:33:21,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:21,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619706235] [2022-11-20 09:33:21,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:21,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:21,867 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:21,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:22,220 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:33:22,220 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:33:22,220 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:33:22,220 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:33:22,220 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:33:22,221 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:22,221 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:33:22,221 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:33:22,221 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration3_Lasso [2022-11-20 09:33:22,221 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:33:22,221 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:33:22,224 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:22,227 INFO 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 09:33:22,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-20 09:33:22,477 INFO 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 09:33:22,481 INFO 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 09:33:22,489 INFO 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 09:33:22,502 INFO 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 09:33:22,508 INFO 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 09:33:22,515 INFO 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 09:33:22,533 INFO 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 09:33:22,536 INFO 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 09:33:22,539 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:22,542 INFO 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 09:33:22,545 INFO 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 09:33:22,549 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:22,929 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:33:22,929 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:33:22,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:22,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:22,935 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:22,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:22,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 09:33:22,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:22,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:22,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:22,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:22,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:22,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:22,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:22,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:22,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:22,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:22,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:22,975 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:22,988 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 09:33:23,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:23,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:23,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:23,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:23,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 09:33:23,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:23,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:23,034 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:33:23,073 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-20 09:33:23,073 INFO L444 ModelExtractionUtils]: 10 out of 25 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-20 09:33:23,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:23,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:23,075 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:23,083 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:33:23,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 09:33:23,119 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:33:23,119 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:33:23,120 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length~0#1, ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~length~0#1 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2022-11-20 09:33:23,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:23,138 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-11-20 09:33:23,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:23,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:33:23,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:23,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:33:23,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:23,238 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 09:33:23,239 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-20 09:33:23,239 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:23,266 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 26 transitions. Complement of second has 4 states. [2022-11-20 09:33:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 09:33:23,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:23,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-11-20 09:33:23,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 11 letters. Loop has 4 letters. [2022-11-20 09:33:23,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:23,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 4 letters. [2022-11-20 09:33:23,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:23,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 11 letters. Loop has 8 letters. [2022-11-20 09:33:23,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:23,273 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 26 transitions. [2022-11-20 09:33:23,281 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:23,284 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 19 states and 25 transitions. [2022-11-20 09:33:23,284 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 09:33:23,284 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-20 09:33:23,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2022-11-20 09:33:23,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:33:23,285 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-11-20 09:33:23,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2022-11-20 09:33:23,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2022-11-20 09:33:23,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:23,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2022-11-20 09:33:23,287 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-20 09:33:23,287 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-20 09:33:23,288 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 09:33:23,288 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2022-11-20 09:33:23,288 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:23,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:23,288 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:23,289 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:23,289 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:33:23,289 INFO L748 eck$LassoCheckResult]: Stem: 288#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 289#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 298#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 303#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 299#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 300#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 301#L521 assume !(main_~val~0#1 < 0); 295#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 296#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 297#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 302#L519-4 main_~j~0#1 := 0; 294#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 291#L527-3 [2022-11-20 09:33:23,290 INFO L750 eck$LassoCheckResult]: Loop: 291#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 290#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 291#L527-3 [2022-11-20 09:33:23,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:23,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1720311820, now seen corresponding path program 1 times [2022-11-20 09:33:23,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:23,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364421590] [2022-11-20 09:33:23,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:23,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:23,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:23,366 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:23,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:23,370 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 1 times [2022-11-20 09:33:23,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:23,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887808423] [2022-11-20 09:33:23,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:23,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:23,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:23,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:23,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:23,388 INFO L85 PathProgramCache]: Analyzing trace with hash -342748399, now seen corresponding path program 1 times [2022-11-20 09:33:23,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:23,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652869055] [2022-11-20 09:33:23,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:23,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:23,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:23,424 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:23,750 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:33:23,750 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:33:23,750 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:33:23,751 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:33:23,751 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:33:23,751 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:23,751 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:33:23,751 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:33:23,751 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration4_Lasso [2022-11-20 09:33:23,751 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:33:23,752 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:33:23,755 INFO 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 09:33:23,759 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:23,762 INFO 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 09:33:23,766 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:23,769 INFO 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 09:33:23,772 INFO 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 09:33:23,775 INFO 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 09:33:23,779 INFO 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 09:33:23,782 INFO 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 09:33:23,785 INFO 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 09:33:23,789 INFO 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 09:33:24,000 INFO 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 09:33:24,003 INFO 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 09:33:24,007 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:24,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-20 09:33:24,385 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:33:24,385 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:33:24,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:24,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:24,393 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:24,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:24,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 09:33:24,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:24,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:24,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:24,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:24,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:24,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:24,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:24,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:24,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:24,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:24,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:24,446 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:24,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:24,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 09:33:24,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:24,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:24,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:24,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:24,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:24,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:24,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:24,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:24,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:24,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:24,503 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:24,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:24,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:24,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:24,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:24,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:24,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:24,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:24,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:24,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 09:33:24,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:24,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:24,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:24,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:24,557 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:24,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:24,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 09:33:24,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:24,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:24,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:24,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:24,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:24,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:24,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:24,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:24,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:24,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:24,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:24,603 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:24,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:24,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 09:33:24,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:24,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:24,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:24,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:24,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:24,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:24,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:24,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:24,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:24,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:24,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:24,642 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:24,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:24,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:24,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:24,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:24,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:24,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:24,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:24,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:24,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 09:33:24,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:24,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:24,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:24,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:24,686 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:24,697 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 09:33:24,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 09:33:24,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:24,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:24,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:24,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:24,712 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:24,712 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:24,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:24,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:24,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:24,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:24,733 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:24,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:24,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:24,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:24,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:24,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:24,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 09:33:24,757 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:24,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:24,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:24,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:24,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:24,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:24,793 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:24,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:24,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:24,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:24,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:24,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:24,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:24,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:24,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:24,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 09:33:24,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:24,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:24,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:24,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:24,830 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:24,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:24,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 09:33:24,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:24,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:24,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:24,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:24,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:24,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:24,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:24,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:24,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:24,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:24,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:24,874 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:24,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:24,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 09:33:24,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:24,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:24,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:24,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:24,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:24,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:24,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:24,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:24,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:24,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:24,927 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:24,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:24,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 09:33:24,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:24,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:24,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:24,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:24,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:24,961 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:24,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:24,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:24,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:24,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:24,993 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:25,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:25,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 09:33:25,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:25,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:25,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:25,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:25,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:25,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:25,042 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:33:25,057 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-20 09:33:25,057 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-20 09:33:25,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:25,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:25,059 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:25,070 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:33:25,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 09:33:25,092 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:33:25,092 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:33:25,092 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_1 Supporting invariants [] [2022-11-20 09:33:25,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:25,113 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2022-11-20 09:33:25,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:25,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:33:25,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:25,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:25,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:25,221 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 09:33:25,222 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 09:33:25,222 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:25,262 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 35 transitions. Complement of second has 8 states. [2022-11-20 09:33:25,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 09:33:25,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:25,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2022-11-20 09:33:25,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 2 letters. [2022-11-20 09:33:25,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:25,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 14 letters. Loop has 2 letters. [2022-11-20 09:33:25,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:25,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 4 letters. [2022-11-20 09:33:25,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:25,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 35 transitions. [2022-11-20 09:33:25,266 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:25,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 22 states and 28 transitions. [2022-11-20 09:33:25,267 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 09:33:25,267 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 09:33:25,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2022-11-20 09:33:25,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:33:25,268 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2022-11-20 09:33:25,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2022-11-20 09:33:25,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2022-11-20 09:33:25,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:25,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2022-11-20 09:33:25,270 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-20 09:33:25,270 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-20 09:33:25,270 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-20 09:33:25,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 27 transitions. [2022-11-20 09:33:25,271 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:25,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:25,271 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:25,272 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:25,272 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:33:25,272 INFO L748 eck$LassoCheckResult]: Stem: 425#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 426#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 432#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 438#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 433#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 434#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 435#L521 assume !(main_~val~0#1 < 0); 429#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 430#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 431#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 436#L519-4 main_~j~0#1 := 0; 427#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 424#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 439#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 419#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 420#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 422#L527-3 [2022-11-20 09:33:25,272 INFO L750 eck$LassoCheckResult]: Loop: 422#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 421#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 422#L527-3 [2022-11-20 09:33:25,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:25,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1331270241, now seen corresponding path program 2 times [2022-11-20 09:33:25,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:25,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366529029] [2022-11-20 09:33:25,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:25,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:25,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:25,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:25,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366529029] [2022-11-20 09:33:25,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366529029] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:33:25,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090826451] [2022-11-20 09:33:25,368 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:33:25,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:33:25,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:25,369 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:33:25,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-11-20 09:33:25,430 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 09:33:25,430 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:33:25,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:33:25,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:25,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:25,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:33:25,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:25,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090826451] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:33:25,567 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:33:25,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-11-20 09:33:25,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576734859] [2022-11-20 09:33:25,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:33:25,568 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:33:25,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:25,568 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 2 times [2022-11-20 09:33:25,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:25,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713788606] [2022-11-20 09:33:25,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:25,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:25,575 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:25,579 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:25,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:25,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 09:33:25,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-20 09:33:25,620 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. cyclomatic complexity: 10 Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:25,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:25,770 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions. [2022-11-20 09:33:25,771 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 57 transitions. [2022-11-20 09:33:25,771 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:25,772 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 28 states and 35 transitions. [2022-11-20 09:33:25,772 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 09:33:25,772 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 09:33:25,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2022-11-20 09:33:25,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:33:25,772 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 35 transitions. [2022-11-20 09:33:25,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2022-11-20 09:33:25,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2022-11-20 09:33:25,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:25,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2022-11-20 09:33:25,775 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-20 09:33:25,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 09:33:25,776 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-20 09:33:25,776 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-20 09:33:25,776 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2022-11-20 09:33:25,776 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:25,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:25,777 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:25,777 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:25,777 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:33:25,777 INFO L748 eck$LassoCheckResult]: Stem: 605#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 606#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 613#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 619#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 614#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 615#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 616#L521 assume !(main_~val~0#1 < 0); 623#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 611#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 612#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 617#L521 assume !(main_~val~0#1 < 0); 609#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 610#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 622#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 620#L519-4 main_~j~0#1 := 0; 607#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 604#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 621#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 599#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 600#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 602#L527-3 [2022-11-20 09:33:25,778 INFO L750 eck$LassoCheckResult]: Loop: 602#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 601#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 602#L527-3 [2022-11-20 09:33:25,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:25,778 INFO L85 PathProgramCache]: Analyzing trace with hash 34477914, now seen corresponding path program 3 times [2022-11-20 09:33:25,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:25,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393576493] [2022-11-20 09:33:25,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:25,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:25,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:25,816 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:25,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:25,816 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 3 times [2022-11-20 09:33:25,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:25,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399312069] [2022-11-20 09:33:25,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:25,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:25,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:25,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:25,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:25,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1226461473, now seen corresponding path program 1 times [2022-11-20 09:33:25,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:25,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849928729] [2022-11-20 09:33:25,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:25,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:25,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:25,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:26,295 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:33:26,295 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:33:26,295 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:33:26,295 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:33:26,296 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:33:26,296 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:26,296 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:33:26,296 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:33:26,296 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration6_Lasso [2022-11-20 09:33:26,296 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:33:26,296 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:33:26,299 INFO 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 09:33:26,301 INFO 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 09:33:26,304 INFO 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 09:33:26,306 INFO 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 09:33:26,308 INFO 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 09:33:26,313 INFO 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 09:33:26,315 INFO 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 09:33:26,317 INFO 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 09:33:26,319 INFO 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 09:33:26,323 INFO 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 09:33:26,325 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:26,332 INFO 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 09:33:26,334 INFO 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 09:33:26,337 INFO 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 09:33:26,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-11-20 09:33:27,034 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:33:27,034 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:33:27,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:27,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:27,036 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:27,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 09:33:27,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:27,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:27,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:27,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:27,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:27,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:27,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:27,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:27,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:27,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:27,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:27,080 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:27,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:27,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:27,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:27,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:27,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:27,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:27,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:27,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:27,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:27,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 09:33:27,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:27,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:27,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:27,116 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:27,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:27,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 09:33:27,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:27,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:27,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:27,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:27,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:27,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:27,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:27,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-20 09:33:27,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:27,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:27,153 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:27,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:27,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 09:33:27,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:27,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:27,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:27,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:27,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:27,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:27,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:27,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:27,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:27,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:27,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:27,208 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:27,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:27,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 09:33:27,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:27,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:27,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:27,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:27,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:27,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:27,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:27,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:27,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:27,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:27,257 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:27,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:27,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-20 09:33:27,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:27,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:27,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:27,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:27,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:27,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:27,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:27,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:27,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:27,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:27,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:27,306 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:27,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:27,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-20 09:33:27,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:27,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:27,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:27,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:27,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:27,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:27,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:27,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:27,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:27,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:27,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:27,352 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:27,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:27,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-20 09:33:27,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:27,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:27,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:27,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:27,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:27,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:27,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:27,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:27,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:27,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:27,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:27,404 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:27,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:27,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-20 09:33:27,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:27,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:27,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:27,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:27,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:27,422 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:27,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:27,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:27,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:27,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:27,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:27,444 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:27,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:27,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:27,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:27,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:27,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:27,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:27,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:27,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:27,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-20 09:33:27,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:27,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-20 09:33:27,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:27,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:27,475 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:27,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-20 09:33:27,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:27,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:27,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:27,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:27,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:27,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:27,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:27,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:27,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:27,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:27,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:27,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:27,494 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:27,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-20 09:33:27,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:27,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:27,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:27,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:27,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:27,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:27,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:27,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:27,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-11-20 09:33:27,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:27,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:27,518 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:27,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-20 09:33:27,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:27,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:27,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:27,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:27,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:27,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:27,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:27,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:27,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-20 09:33:27,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:27,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:27,550 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:27,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-20 09:33:27,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:27,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:27,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:27,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:27,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:27,592 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:27,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:27,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:27,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:27,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:27,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:27,632 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:27,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:27,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:27,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:27,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:27,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:27,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-20 09:33:27,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:27,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:27,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:27,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:27,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:27,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:27,686 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:27,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:27,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-20 09:33:27,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:27,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:27,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:27,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:27,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:27,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:27,727 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:33:27,749 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-20 09:33:27,749 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-20 09:33:27,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:27,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:27,753 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:27,755 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:33:27,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-20 09:33:27,788 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:33:27,788 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:33:27,788 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 4))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 4))_1 Supporting invariants [] [2022-11-20 09:33:27,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:27,813 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2022-11-20 09:33:27,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:27,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:33:27,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:27,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:27,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:27,953 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 09:33:27,955 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-20 09:33:27,956 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:27,981 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 33 transitions. Complement of second has 4 states. [2022-11-20 09:33:27,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:33:27,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:27,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:33:27,984 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 20 letters. Loop has 2 letters. [2022-11-20 09:33:27,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:27,985 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:33:28,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:28,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:33:28,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:28,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:28,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:28,124 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 09:33:28,124 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-20 09:33:28,125 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:28,146 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 33 transitions. Complement of second has 4 states. [2022-11-20 09:33:28,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:33:28,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:33:28,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 20 letters. Loop has 2 letters. [2022-11-20 09:33:28,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:28,148 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:33:28,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:28,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:33:28,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:28,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:28,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:28,300 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 09:33:28,300 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-20 09:33:28,300 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:28,366 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 50 transitions. Complement of second has 10 states. [2022-11-20 09:33:28,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:33:28,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:28,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 33 transitions. [2022-11-20 09:33:28,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 33 transitions. Stem has 20 letters. Loop has 2 letters. [2022-11-20 09:33:28,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:28,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 33 transitions. Stem has 22 letters. Loop has 2 letters. [2022-11-20 09:33:28,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:28,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 33 transitions. Stem has 20 letters. Loop has 4 letters. [2022-11-20 09:33:28,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:28,368 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 50 transitions. [2022-11-20 09:33:28,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:28,369 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 35 states and 43 transitions. [2022-11-20 09:33:28,370 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 09:33:28,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 09:33:28,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 43 transitions. [2022-11-20 09:33:28,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:33:28,370 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 43 transitions. [2022-11-20 09:33:28,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 43 transitions. [2022-11-20 09:33:28,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2022-11-20 09:33:28,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 29 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:28,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2022-11-20 09:33:28,373 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-11-20 09:33:28,373 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-11-20 09:33:28,373 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-20 09:33:28,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2022-11-20 09:33:28,374 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:28,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:28,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:28,375 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:28,375 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:33:28,375 INFO L748 eck$LassoCheckResult]: Stem: 999#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1000#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1007#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 1014#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1008#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1009#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1010#L521 assume !(main_~val~0#1 < 0); 1004#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1005#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1006#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1011#L521 assume !(main_~val~0#1 < 0); 1018#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1017#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1016#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 1015#L519-4 main_~j~0#1 := 0; 1001#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1002#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1020#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1019#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1003#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 998#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1022#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 993#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 994#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 996#L527-3 [2022-11-20 09:33:28,375 INFO L750 eck$LassoCheckResult]: Loop: 996#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 995#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 996#L527-3 [2022-11-20 09:33:28,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:28,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1808436561, now seen corresponding path program 4 times [2022-11-20 09:33:28,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:28,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407643316] [2022-11-20 09:33:28,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:28,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:28,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:28,553 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:28,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:28,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407643316] [2022-11-20 09:33:28,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407643316] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:33:28,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200673717] [2022-11-20 09:33:28,554 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 09:33:28,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:33:28,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:28,555 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:33:28,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-11-20 09:33:28,619 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 09:33:28,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:33:28,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 09:33:28,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:28,721 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:28,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:33:28,806 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:28,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200673717] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:33:28,806 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:33:28,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2022-11-20 09:33:28,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67177346] [2022-11-20 09:33:28,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:33:28,807 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:33:28,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:28,808 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 4 times [2022-11-20 09:33:28,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:28,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705518936] [2022-11-20 09:33:28,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:28,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:28,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:28,817 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:28,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:28,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 09:33:28,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2022-11-20 09:33:28,856 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. cyclomatic complexity: 12 Second operand has 14 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:29,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:29,005 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2022-11-20 09:33:29,005 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 60 transitions. [2022-11-20 09:33:29,008 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:29,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 37 states and 46 transitions. [2022-11-20 09:33:29,009 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 09:33:29,009 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 09:33:29,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 46 transitions. [2022-11-20 09:33:29,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:33:29,010 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 46 transitions. [2022-11-20 09:33:29,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 46 transitions. [2022-11-20 09:33:29,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2022-11-20 09:33:29,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 33 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:29,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2022-11-20 09:33:29,017 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-11-20 09:33:29,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 09:33:29,018 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-11-20 09:33:29,018 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-20 09:33:29,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2022-11-20 09:33:29,019 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:29,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:29,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:29,021 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:29,021 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:33:29,022 INFO L748 eck$LassoCheckResult]: Stem: 1241#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1242#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1248#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 1255#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1249#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1250#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1251#L521 assume !(main_~val~0#1 < 0); 1245#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1246#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1247#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1252#L521 assume !(main_~val~0#1 < 0); 1268#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1267#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1266#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1258#L521 assume !(main_~val~0#1 < 0); 1262#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1260#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1257#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 1256#L519-4 main_~j~0#1 := 0; 1243#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1244#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1264#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1235#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1236#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1240#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1263#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1261#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1259#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1238#L527-3 [2022-11-20 09:33:29,022 INFO L750 eck$LassoCheckResult]: Loop: 1238#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1237#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 1238#L527-3 [2022-11-20 09:33:29,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:29,022 INFO L85 PathProgramCache]: Analyzing trace with hash -759828824, now seen corresponding path program 5 times [2022-11-20 09:33:29,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:29,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8299155] [2022-11-20 09:33:29,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:29,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:29,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:29,076 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:29,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:29,077 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 5 times [2022-11-20 09:33:29,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:29,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936803102] [2022-11-20 09:33:29,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:29,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:29,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:29,097 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:29,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:29,098 INFO L85 PathProgramCache]: Analyzing trace with hash -51058003, now seen corresponding path program 2 times [2022-11-20 09:33:29,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:29,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297893799] [2022-11-20 09:33:29,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:29,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:29,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:29,156 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:30,197 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:33:30,198 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:33:30,198 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:33:30,198 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:33:30,198 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:33:30,198 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:30,198 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:33:30,198 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:33:30,198 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration8_Lasso [2022-11-20 09:33:30,198 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:33:30,198 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:33:30,201 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 09:33:30,204 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:30,206 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:30,209 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:30,211 INFO 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 09:33:30,213 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 09:33:30,216 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 09:33:30,223 INFO 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 09:33:30,225 INFO 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 09:33:30,228 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:30,230 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:30,233 INFO 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 09:33:30,235 INFO 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 09:33:30,237 INFO 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 09:33:30,673 INFO 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 09:33:31,118 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:33:31,118 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:33:31,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:31,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:31,127 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:31,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-20 09:33:31,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:31,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:31,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:31,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:31,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:31,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:31,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:31,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:31,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:31,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:31,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:31,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:31,146 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:31,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:31,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-20 09:33:31,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:31,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:31,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:31,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:31,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:31,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:31,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:31,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:31,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:31,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:31,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:31,169 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:31,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-20 09:33:31,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:31,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:31,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:31,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:31,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:31,183 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:31,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:31,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:31,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-20 09:33:31,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:31,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:31,200 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:31,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-20 09:33:31,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:31,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:31,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:31,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:31,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:31,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:31,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:31,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:31,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:31,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-20 09:33:31,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:31,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:31,220 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:31,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-20 09:33:31,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:31,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:31,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:31,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:31,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:31,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:31,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:31,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:31,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:31,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-20 09:33:31,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:31,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:31,238 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:31,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-20 09:33:31,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:31,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:31,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:31,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:31,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:31,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:31,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:31,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:31,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-20 09:33:31,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:31,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:31,262 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:31,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-20 09:33:31,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:31,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:31,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:31,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:31,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:31,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:31,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:31,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:31,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:31,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:31,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:31,284 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:31,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-20 09:33:31,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:31,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:31,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:31,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:31,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:31,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:31,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:31,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:31,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:31,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-11-20 09:33:31,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:31,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:31,302 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:31,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-20 09:33:31,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:31,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:31,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:31,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:31,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:31,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:31,317 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:31,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:31,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:31,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:31,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:31,349 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:31,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:31,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:31,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:31,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:31,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:31,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:31,375 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:31,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-20 09:33:31,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:31,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:31,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:31,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:31,390 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:31,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:31,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-20 09:33:31,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:31,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:31,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:31,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:31,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:31,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:31,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:31,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:31,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:31,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:31,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:31,428 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:31,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:31,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-20 09:33:31,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:31,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:31,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:31,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:31,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:31,444 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:31,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:31,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-11-20 09:33:31,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:31,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:31,455 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:31,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-20 09:33:31,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:31,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:31,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:31,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:31,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:31,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:31,469 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:31,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:31,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:31,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:31,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:31,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:31,474 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:31,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-20 09:33:31,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:31,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:31,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:31,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:31,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:31,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:31,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:31,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:31,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:31,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:31,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:31,503 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:31,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-20 09:33:31,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:31,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:31,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:31,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:31,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:31,519 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:31,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:31,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:31,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-11-20 09:33:31,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:31,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:31,534 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:31,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-20 09:33:31,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:31,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:31,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:31,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:31,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:31,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:31,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:31,564 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:33:31,582 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-20 09:33:31,582 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-20 09:33:31,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:31,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:31,583 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:31,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-20 09:33:31,587 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:33:31,598 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:33:31,598 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:33:31,599 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_2 Supporting invariants [] [2022-11-20 09:33:31,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2022-11-20 09:33:31,652 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-11-20 09:33:31,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 09:33:31,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:31,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:31,987 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 09:33:31,987 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-20 09:33:31,988 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:32,108 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 56 transitions. Complement of second has 8 states. [2022-11-20 09:33:32,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:33:32,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:32,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 36 transitions. [2022-11-20 09:33:32,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 36 transitions. Stem has 28 letters. Loop has 2 letters. [2022-11-20 09:33:32,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:32,111 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:33:32,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:32,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 09:33:32,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:32,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:32,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:32,420 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 09:33:32,421 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-20 09:33:32,421 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:32,524 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 56 transitions. Complement of second has 8 states. [2022-11-20 09:33:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:33:32,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:32,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 36 transitions. [2022-11-20 09:33:32,530 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 36 transitions. Stem has 28 letters. Loop has 2 letters. [2022-11-20 09:33:32,530 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:32,530 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:33:32,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:32,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 09:33:32,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:32,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:32,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:32,846 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 09:33:32,846 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-20 09:33:32,846 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:33,074 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 78 states and 100 transitions. Complement of second has 17 states. [2022-11-20 09:33:33,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:33:33,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:33,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 67 transitions. [2022-11-20 09:33:33,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 67 transitions. Stem has 28 letters. Loop has 2 letters. [2022-11-20 09:33:33,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:33,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 67 transitions. Stem has 30 letters. Loop has 2 letters. [2022-11-20 09:33:33,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:33,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 67 transitions. Stem has 28 letters. Loop has 4 letters. [2022-11-20 09:33:33,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:33,080 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 100 transitions. [2022-11-20 09:33:33,081 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 09:33:33,081 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 73 states and 93 transitions. [2022-11-20 09:33:33,082 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 09:33:33,082 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 09:33:33,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 93 transitions. [2022-11-20 09:33:33,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:33:33,082 INFO L218 hiAutomatonCegarLoop]: Abstraction has 73 states and 93 transitions. [2022-11-20 09:33:33,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states and 93 transitions. [2022-11-20 09:33:33,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 45. [2022-11-20 09:33:33,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 44 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:33,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2022-11-20 09:33:33,086 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-11-20 09:33:33,087 INFO L428 stractBuchiCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-11-20 09:33:33,087 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-20 09:33:33,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 56 transitions. [2022-11-20 09:33:33,087 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:33,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:33,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:33,088 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:33,088 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:33:33,089 INFO L748 eck$LassoCheckResult]: Stem: 1860#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1861#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1868#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 1877#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1869#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1870#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1871#L521 assume !(main_~val~0#1 < 0); 1886#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1882#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1883#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1887#L521 assume !(main_~val~0#1 < 0); 1884#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1885#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1872#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1873#L521 assume !(main_~val~0#1 < 0); 1898#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1866#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1867#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 1878#L519-4 main_~j~0#1 := 0; 1879#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1896#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1895#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1894#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1863#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1859#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1891#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1854#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1855#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1892#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1890#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1889#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1888#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1857#L527-3 [2022-11-20 09:33:33,089 INFO L750 eck$LassoCheckResult]: Loop: 1857#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1856#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 1857#L527-3 [2022-11-20 09:33:33,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:33,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1822100739, now seen corresponding path program 6 times [2022-11-20 09:33:33,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:33,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974733392] [2022-11-20 09:33:33,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:33,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:33,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:33,246 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:33,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:33,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974733392] [2022-11-20 09:33:33,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974733392] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:33:33,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742464194] [2022-11-20 09:33:33,247 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-20 09:33:33,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:33:33,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:33,248 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:33:33,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2022-11-20 09:33:33,333 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-11-20 09:33:33,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:33:33,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 09:33:33,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:33,493 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:33,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:33:33,606 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:33,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742464194] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:33:33,606 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:33:33,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 16 [2022-11-20 09:33:33,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542500304] [2022-11-20 09:33:33,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:33:33,608 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:33:33,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:33,608 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 6 times [2022-11-20 09:33:33,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:33,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263572072] [2022-11-20 09:33:33,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:33,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:33,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:33,616 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:33,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:33,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-20 09:33:33,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-11-20 09:33:33,661 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. cyclomatic complexity: 17 Second operand has 17 states, 16 states have (on average 3.5) internal successors, (56), 17 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:33,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:33,835 INFO L93 Difference]: Finished difference Result 58 states and 71 transitions. [2022-11-20 09:33:33,835 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 71 transitions. [2022-11-20 09:33:33,836 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:33,836 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 41 states and 51 transitions. [2022-11-20 09:33:33,836 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 09:33:33,836 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 09:33:33,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2022-11-20 09:33:33,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:33:33,837 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 51 transitions. [2022-11-20 09:33:33,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2022-11-20 09:33:33,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2022-11-20 09:33:33,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.236842105263158) internal successors, (47), 37 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:33,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2022-11-20 09:33:33,839 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 47 transitions. [2022-11-20 09:33:33,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 09:33:33,840 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 47 transitions. [2022-11-20 09:33:33,840 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-20 09:33:33,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 47 transitions. [2022-11-20 09:33:33,841 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:33,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:33,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:33,842 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:33,842 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:33:33,842 INFO L748 eck$LassoCheckResult]: Stem: 2179#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2180#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 2186#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 2194#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 2187#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 2188#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2189#L521 assume !(main_~val~0#1 < 0); 2210#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2209#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2190#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2191#L521 assume !(main_~val~0#1 < 0); 2183#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2184#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2185#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2208#L521 assume !(main_~val~0#1 < 0); 2207#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2206#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2205#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2197#L521 assume !(main_~val~0#1 < 0); 2201#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2199#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2196#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 2195#L519-4 main_~j~0#1 := 0; 2181#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2182#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2203#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2173#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2174#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2178#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2202#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2200#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2198#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2176#L527-3 [2022-11-20 09:33:33,842 INFO L750 eck$LassoCheckResult]: Loop: 2176#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2175#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 2176#L527-3 [2022-11-20 09:33:33,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:33,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1539979743, now seen corresponding path program 7 times [2022-11-20 09:33:33,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:33,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102515710] [2022-11-20 09:33:33,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:33,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:33,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:33,872 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:33,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:33,873 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 7 times [2022-11-20 09:33:33,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:33,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020811141] [2022-11-20 09:33:33,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:33,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:33,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:33,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:33,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:33,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1843185638, now seen corresponding path program 3 times [2022-11-20 09:33:33,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:33,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917118105] [2022-11-20 09:33:33,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:33,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:33,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:33,915 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:34,891 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:33:34,891 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:33:34,892 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:33:34,892 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:33:34,892 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:33:34,892 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:34,892 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:33:34,892 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:33:34,892 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration10_Lasso [2022-11-20 09:33:34,892 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:33:34,892 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:33:34,895 INFO 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 09:33:34,899 INFO 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 09:33:34,902 INFO 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 09:33:34,904 INFO 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 09:33:34,907 INFO 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 09:33:34,911 INFO 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 09:33:34,914 INFO 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 09:33:34,916 INFO 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 09:33:34,919 INFO 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 09:33:35,265 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 09:33:35,268 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:35,270 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:35,272 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 09:33:35,275 INFO 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 09:33:35,280 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 09:33:35,671 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:33:35,671 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:33:35,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:35,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:35,673 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:35,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-20 09:33:35,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:35,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:35,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:35,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:35,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:35,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:35,687 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:35,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:35,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:35,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-20 09:33:35,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:35,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:35,692 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:35,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-20 09:33:35,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:35,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:35,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:35,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:35,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:35,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:35,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:35,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:35,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:35,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:35,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:35,714 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:35,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-20 09:33:35,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:35,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:35,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:35,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:35,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:35,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:35,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:35,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:35,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:35,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-11-20 09:33:35,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:35,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:35,734 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:35,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-20 09:33:35,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:35,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:35,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:35,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:35,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:35,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:35,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:35,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:35,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:35,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:35,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:35,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:35,753 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:35,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-20 09:33:35,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:35,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:35,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:35,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:35,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:35,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:35,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:35,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:35,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2022-11-20 09:33:35,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:35,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:35,775 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:35,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-20 09:33:35,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:35,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:35,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:35,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:35,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:35,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:35,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:35,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:35,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-11-20 09:33:35,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:35,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:35,812 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:35,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:35,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:35,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:35,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:35,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:35,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:35,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:35,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:35,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-20 09:33:35,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:35,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:35,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:35,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:35,857 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:35,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:35,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:35,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:35,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:35,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:35,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:35,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:35,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:35,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-20 09:33:35,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:35,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:35,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:35,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:35,896 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:35,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:35,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:35,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:35,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:35,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:35,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-20 09:33:35,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:35,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:35,934 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:33:35,946 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-20 09:33:35,946 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-20 09:33:35,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:35,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:35,949 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:35,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-20 09:33:35,950 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:33:35,963 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:33:35,963 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:33:35,963 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 8))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 8))_1 Supporting invariants [] [2022-11-20 09:33:35,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2022-11-20 09:33:35,987 INFO L156 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2022-11-20 09:33:36,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:36,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 09:33:36,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:36,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:36,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:36,177 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 09:33:36,177 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-20 09:33:36,178 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:36,208 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 49 transitions. Complement of second has 4 states. [2022-11-20 09:33:36,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:33:36,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:36,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:33:36,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 32 letters. Loop has 2 letters. [2022-11-20 09:33:36,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:36,210 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:33:36,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:36,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 09:33:36,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:36,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:36,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:36,396 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 09:33:36,398 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-20 09:33:36,398 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:36,428 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 49 transitions. Complement of second has 4 states. [2022-11-20 09:33:36,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:33:36,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:36,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:33:36,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 32 letters. Loop has 2 letters. [2022-11-20 09:33:36,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:36,431 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:33:36,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:36,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 09:33:36,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:36,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:36,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:36,607 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 09:33:36,608 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-11-20 09:33:36,608 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14 Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:36,696 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 14. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 68 transitions. Complement of second has 12 states. [2022-11-20 09:33:36,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:33:36,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:36,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 39 transitions. [2022-11-20 09:33:36,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 32 letters. Loop has 2 letters. [2022-11-20 09:33:36,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:36,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 34 letters. Loop has 2 letters. [2022-11-20 09:33:36,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:36,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 39 transitions. Stem has 32 letters. Loop has 4 letters. [2022-11-20 09:33:36,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:36,698 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 68 transitions. [2022-11-20 09:33:36,699 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:36,699 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 49 states and 61 transitions. [2022-11-20 09:33:36,699 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 09:33:36,700 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 09:33:36,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 61 transitions. [2022-11-20 09:33:36,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:33:36,700 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 61 transitions. [2022-11-20 09:33:36,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 61 transitions. [2022-11-20 09:33:36,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2022-11-20 09:33:36,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 42 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:36,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2022-11-20 09:33:36,703 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 53 transitions. [2022-11-20 09:33:36,703 INFO L428 stractBuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2022-11-20 09:33:36,703 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-20 09:33:36,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 53 transitions. [2022-11-20 09:33:36,704 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:36,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:36,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:36,704 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:36,705 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:33:36,705 INFO L748 eck$LassoCheckResult]: Stem: 2744#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2745#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 2751#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 2757#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 2752#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 2753#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2754#L521 assume !(main_~val~0#1 < 0); 2748#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2749#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2750#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2755#L521 assume !(main_~val~0#1 < 0); 2769#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2768#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2767#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2766#L521 assume !(main_~val~0#1 < 0); 2765#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2764#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2763#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2760#L521 assume !(main_~val~0#1 < 0); 2762#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2761#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2759#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 2758#L519-4 main_~j~0#1 := 0; 2746#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2743#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2756#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2738#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2739#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2747#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2779#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2778#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2777#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2776#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2773#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2772#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2770#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2741#L527-3 [2022-11-20 09:33:36,705 INFO L750 eck$LassoCheckResult]: Loop: 2741#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2740#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 2741#L527-3 [2022-11-20 09:33:36,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:36,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1774872054, now seen corresponding path program 8 times [2022-11-20 09:33:36,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:36,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795346531] [2022-11-20 09:33:36,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:36,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:36,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:36,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:36,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:36,740 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 8 times [2022-11-20 09:33:36,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:36,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573758708] [2022-11-20 09:33:36,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:36,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:36,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:36,747 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:36,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:36,747 INFO L85 PathProgramCache]: Analyzing trace with hash 550028923, now seen corresponding path program 4 times [2022-11-20 09:33:36,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:36,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723352633] [2022-11-20 09:33:36,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:36,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:36,767 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:36,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:38,209 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:33:38,209 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:33:38,209 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:33:38,210 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:33:38,210 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:33:38,211 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:38,211 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:33:38,211 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:33:38,211 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration11_Lasso [2022-11-20 09:33:38,211 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:33:38,211 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:33:38,214 INFO 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 09:33:38,218 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:38,220 INFO 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 09:33:38,222 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 09:33:38,227 INFO 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 09:33:38,236 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:38,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:38,861 INFO 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 09:33:38,865 INFO 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 09:33:38,867 INFO 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 09:33:38,869 INFO 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 09:33:38,872 INFO 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 09:33:38,874 INFO 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 09:33:38,876 INFO 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 09:33:38,878 INFO 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 09:33:38,880 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 09:33:39,295 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:33:39,295 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:33:39,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:39,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:39,298 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:39,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-20 09:33:39,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:39,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:39,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:39,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:39,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:39,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:39,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:39,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:39,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:39,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2022-11-20 09:33:39,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:39,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:39,317 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:39,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-20 09:33:39,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:39,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:39,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:39,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:39,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:39,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:39,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:39,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:39,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:39,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2022-11-20 09:33:39,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:39,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:39,336 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:39,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-20 09:33:39,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:39,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:39,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:39,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:39,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:39,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:39,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:39,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:39,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-11-20 09:33:39,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:39,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:39,383 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:39,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:39,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:39,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:39,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:39,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:39,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:39,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:39,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-20 09:33:39,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:39,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:39,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:39,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:39,428 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:39,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:39,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-20 09:33:39,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:39,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:39,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:39,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:39,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:39,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:39,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:39,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:39,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2022-11-20 09:33:39,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:39,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:39,457 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:39,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-20 09:33:39,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:39,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:39,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:39,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:39,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:39,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:39,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:39,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:39,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:39,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:39,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:39,484 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:39,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-20 09:33:39,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:39,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:39,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:39,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:39,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:39,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:39,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:39,510 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:33:39,516 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-20 09:33:39,516 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-20 09:33:39,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:39,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:39,517 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:39,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-20 09:33:39,521 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:33:39,532 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:33:39,532 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:33:39,532 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 12))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 12))_2 Supporting invariants [] [2022-11-20 09:33:39,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2022-11-20 09:33:39,573 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2022-11-20 09:33:39,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:39,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 09:33:39,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:39,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:39,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:39,779 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 09:33:39,779 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-20 09:33:39,779 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:39,804 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 55 transitions. Complement of second has 4 states. [2022-11-20 09:33:39,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:33:39,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:39,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:33:39,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 36 letters. Loop has 2 letters. [2022-11-20 09:33:39,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:39,808 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:33:39,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:39,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 09:33:39,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:39,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:39,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:40,012 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 09:33:40,013 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-20 09:33:40,013 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:40,047 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 55 transitions. Complement of second has 4 states. [2022-11-20 09:33:40,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:33:40,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:40,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:33:40,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 36 letters. Loop has 2 letters. [2022-11-20 09:33:40,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:40,049 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:33:40,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:40,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 09:33:40,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:40,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:40,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:40,251 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 09:33:40,252 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-20 09:33:40,252 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:40,356 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 76 transitions. Complement of second has 14 states. [2022-11-20 09:33:40,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:33:40,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:40,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 45 transitions. [2022-11-20 09:33:40,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 36 letters. Loop has 2 letters. [2022-11-20 09:33:40,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:40,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 38 letters. Loop has 2 letters. [2022-11-20 09:33:40,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:40,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 45 transitions. Stem has 36 letters. Loop has 4 letters. [2022-11-20 09:33:40,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:40,359 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 76 transitions. [2022-11-20 09:33:40,360 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:40,360 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 55 states and 69 transitions. [2022-11-20 09:33:40,360 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 09:33:40,360 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 09:33:40,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 69 transitions. [2022-11-20 09:33:40,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:33:40,361 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 69 transitions. [2022-11-20 09:33:40,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 69 transitions. [2022-11-20 09:33:40,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2022-11-20 09:33:40,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 47 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:40,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2022-11-20 09:33:40,364 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 59 transitions. [2022-11-20 09:33:40,364 INFO L428 stractBuchiCegarLoop]: Abstraction has 48 states and 59 transitions. [2022-11-20 09:33:40,364 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-20 09:33:40,364 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 59 transitions. [2022-11-20 09:33:40,365 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:40,365 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:40,365 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:40,366 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:40,366 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:33:40,366 INFO L748 eck$LassoCheckResult]: Stem: 3384#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3385#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3392#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 3399#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 3393#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 3394#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3395#L521 assume !(main_~val~0#1 < 0); 3397#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3390#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3391#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3396#L521 assume !(main_~val~0#1 < 0); 3388#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3389#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3409#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3408#L521 assume !(main_~val~0#1 < 0); 3407#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3406#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3405#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3402#L521 assume !(main_~val~0#1 < 0); 3404#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3403#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3401#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 3400#L519-4 main_~j~0#1 := 0; 3386#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3383#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3398#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3378#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3379#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3387#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3424#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3423#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3422#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3420#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3419#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3418#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3417#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3416#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3413#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3412#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3410#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3381#L527-3 [2022-11-20 09:33:40,366 INFO L750 eck$LassoCheckResult]: Loop: 3381#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3380#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 3381#L527-3 [2022-11-20 09:33:40,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:40,367 INFO L85 PathProgramCache]: Analyzing trace with hash 296817483, now seen corresponding path program 9 times [2022-11-20 09:33:40,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:40,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577698402] [2022-11-20 09:33:40,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:40,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:40,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:40,596 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:40,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:40,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577698402] [2022-11-20 09:33:40,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577698402] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:33:40,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381571984] [2022-11-20 09:33:40,597 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 09:33:40,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:33:40,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:40,598 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:33:40,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2022-11-20 09:33:40,684 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-20 09:33:40,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:33:40,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 09:33:40,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:40,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:33:41,008 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:41,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381571984] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:33:41,009 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:33:41,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 19 [2022-11-20 09:33:41,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650621181] [2022-11-20 09:33:41,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:33:41,009 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:33:41,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:41,010 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 9 times [2022-11-20 09:33:41,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:41,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643250397] [2022-11-20 09:33:41,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:41,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:41,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:41,017 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:41,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:41,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-20 09:33:41,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2022-11-20 09:33:41,056 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. cyclomatic complexity: 18 Second operand has 20 states, 19 states have (on average 3.5789473684210527) internal successors, (68), 20 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:41,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:41,255 INFO L93 Difference]: Finished difference Result 77 states and 94 transitions. [2022-11-20 09:33:41,255 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 94 transitions. [2022-11-20 09:33:41,256 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:41,256 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 55 states and 68 transitions. [2022-11-20 09:33:41,256 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 09:33:41,257 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 09:33:41,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 68 transitions. [2022-11-20 09:33:41,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:33:41,257 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 68 transitions. [2022-11-20 09:33:41,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 68 transitions. [2022-11-20 09:33:41,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2022-11-20 09:33:41,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 51 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:41,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2022-11-20 09:33:41,260 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 64 transitions. [2022-11-20 09:33:41,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 09:33:41,260 INFO L428 stractBuchiCegarLoop]: Abstraction has 52 states and 64 transitions. [2022-11-20 09:33:41,260 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-20 09:33:41,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 64 transitions. [2022-11-20 09:33:41,261 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:41,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:41,261 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:41,262 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:41,262 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:33:41,262 INFO L748 eck$LassoCheckResult]: Stem: 3778#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3779#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3785#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 3791#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 3786#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 3787#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3788#L521 assume !(main_~val~0#1 < 0); 3782#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3783#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3784#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3789#L521 assume !(main_~val~0#1 < 0); 3823#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3822#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3821#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3820#L521 assume !(main_~val~0#1 < 0); 3819#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3818#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3817#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3816#L521 assume !(main_~val~0#1 < 0); 3815#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3814#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3813#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3794#L521 assume !(main_~val~0#1 < 0); 3800#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3797#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3793#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 3792#L519-4 main_~j~0#1 := 0; 3780#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3777#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3790#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3772#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3773#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3781#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3811#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3810#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3809#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3807#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3806#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3805#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3804#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3803#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3799#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3798#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3795#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3775#L527-3 [2022-11-20 09:33:41,262 INFO L750 eck$LassoCheckResult]: Loop: 3775#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3774#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 3775#L527-3 [2022-11-20 09:33:41,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:41,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1662287172, now seen corresponding path program 10 times [2022-11-20 09:33:41,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:41,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690435229] [2022-11-20 09:33:41,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:41,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:41,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:41,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:41,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:41,300 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 10 times [2022-11-20 09:33:41,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:41,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552519418] [2022-11-20 09:33:41,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:41,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:41,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:41,307 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:41,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:41,307 INFO L85 PathProgramCache]: Analyzing trace with hash -269860279, now seen corresponding path program 5 times [2022-11-20 09:33:41,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:41,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382606393] [2022-11-20 09:33:41,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:41,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:41,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:41,347 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:43,732 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:33:43,733 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:33:43,733 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:33:43,733 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:33:43,734 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:33:43,734 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:43,734 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:33:43,734 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:33:43,734 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration13_Lasso [2022-11-20 09:33:43,734 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:33:43,734 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:33:43,736 INFO 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 09:33:44,600 INFO 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 09:33:44,602 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:44,603 INFO 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 09:33:44,606 INFO 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 09:33:44,607 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:44,610 INFO 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 09:33:44,612 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:44,614 INFO 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 09:33:44,616 INFO 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 09:33:44,618 INFO 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 09:33:44,620 INFO 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 09:33:44,623 INFO 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 09:33:44,625 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:45,051 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:33:45,051 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:33:45,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:45,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:45,052 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:45,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-20 09:33:45,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:45,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:45,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:45,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:45,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:45,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:45,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:45,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:45,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2022-11-20 09:33:45,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:45,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:45,078 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:45,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-11-20 09:33:45,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:45,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:45,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:45,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:45,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:45,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:45,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:45,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:45,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2022-11-20 09:33:45,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:45,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:45,106 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:45,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-11-20 09:33:45,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:45,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:45,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:45,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:45,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:45,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:45,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:45,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:45,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2022-11-20 09:33:45,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:45,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:45,132 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:45,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-11-20 09:33:45,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:45,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:45,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:45,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:45,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:45,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:45,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:45,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:45,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:45,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:45,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:45,154 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:45,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-11-20 09:33:45,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:45,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:45,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:45,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:45,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:45,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:45,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:45,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:45,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2022-11-20 09:33:45,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:45,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:45,182 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:45,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-11-20 09:33:45,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:45,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:45,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:45,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:45,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:45,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:45,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:45,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:45,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:45,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:45,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:45,207 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:45,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-11-20 09:33:45,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:45,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:45,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:45,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:45,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:45,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:45,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:45,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:45,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:45,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:45,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:45,233 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:45,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-11-20 09:33:45,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:45,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:45,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:45,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:45,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:45,251 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:45,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:45,261 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:33:45,273 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-20 09:33:45,273 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 09:33:45,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:45,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:45,274 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:45,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-11-20 09:33:45,277 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:33:45,288 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:33:45,288 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:33:45,288 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 16 ULTIMATE.start_main_~arr~0#1.offset))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 16 ULTIMATE.start_main_~arr~0#1.offset))_1 Supporting invariants [] [2022-11-20 09:33:45,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2022-11-20 09:33:45,338 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-11-20 09:33:45,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:45,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 09:33:45,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:45,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:45,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:45,555 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 09:33:45,555 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-20 09:33:45,555 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:45,585 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 66 transitions. Complement of second has 4 states. [2022-11-20 09:33:45,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:33:45,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:45,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:33:45,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 44 letters. Loop has 2 letters. [2022-11-20 09:33:45,586 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:45,586 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:33:45,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:45,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 09:33:45,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:45,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2022-11-20 09:33:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:45,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:45,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:45,855 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 09:33:45,856 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-20 09:33:45,856 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:45,883 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 66 transitions. Complement of second has 4 states. [2022-11-20 09:33:45,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:33:45,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:45,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:33:45,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 44 letters. Loop has 2 letters. [2022-11-20 09:33:45,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:45,885 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:33:45,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:45,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 09:33:45,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:46,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:46,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:46,101 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 09:33:46,102 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-20 09:33:46,102 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:46,234 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 70 states and 89 transitions. Complement of second has 16 states. [2022-11-20 09:33:46,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:33:46,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:46,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 51 transitions. [2022-11-20 09:33:46,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 44 letters. Loop has 2 letters. [2022-11-20 09:33:46,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:46,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 46 letters. Loop has 2 letters. [2022-11-20 09:33:46,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:46,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 44 letters. Loop has 4 letters. [2022-11-20 09:33:46,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:46,236 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 89 transitions. [2022-11-20 09:33:46,237 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:46,237 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 65 states and 82 transitions. [2022-11-20 09:33:46,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 09:33:46,237 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 09:33:46,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 82 transitions. [2022-11-20 09:33:46,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:33:46,238 INFO L218 hiAutomatonCegarLoop]: Abstraction has 65 states and 82 transitions. [2022-11-20 09:33:46,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 82 transitions. [2022-11-20 09:33:46,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 57. [2022-11-20 09:33:46,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.2280701754385965) internal successors, (70), 56 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:46,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 70 transitions. [2022-11-20 09:33:46,240 INFO L240 hiAutomatonCegarLoop]: Abstraction has 57 states and 70 transitions. [2022-11-20 09:33:46,240 INFO L428 stractBuchiCegarLoop]: Abstraction has 57 states and 70 transitions. [2022-11-20 09:33:46,240 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-11-20 09:33:46,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 70 transitions. [2022-11-20 09:33:46,241 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:46,241 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:46,241 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:46,241 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:46,241 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:33:46,242 INFO L748 eck$LassoCheckResult]: Stem: 4541#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4542#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 4550#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 4557#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 4551#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 4552#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4553#L521 assume !(main_~val~0#1 < 0); 4555#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4548#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4549#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4554#L521 assume !(main_~val~0#1 < 0); 4546#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4547#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4571#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4570#L521 assume !(main_~val~0#1 < 0); 4569#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4568#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4567#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4566#L521 assume !(main_~val~0#1 < 0); 4565#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4564#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4563#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4560#L521 assume !(main_~val~0#1 < 0); 4562#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4561#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4559#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 4558#L519-4 main_~j~0#1 := 0; 4543#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4544#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4590#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4589#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4545#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4540#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4556#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4535#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4536#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4587#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4586#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4585#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4584#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4582#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4581#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4580#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4579#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4578#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4575#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4574#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4572#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4538#L527-3 [2022-11-20 09:33:46,242 INFO L750 eck$LassoCheckResult]: Loop: 4538#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4537#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 4538#L527-3 [2022-11-20 09:33:46,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:46,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1637690471, now seen corresponding path program 11 times [2022-11-20 09:33:46,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:46,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695126387] [2022-11-20 09:33:46,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:46,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 28 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:46,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:46,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695126387] [2022-11-20 09:33:46,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695126387] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:33:46,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177432399] [2022-11-20 09:33:46,565 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-20 09:33:46,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:33:46,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:46,566 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:33:46,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Waiting until timeout for monitored process [2022-11-20 09:33:46,673 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-11-20 09:33:46,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:33:46,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 09:33:46,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:46,885 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:46,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:33:47,044 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:47,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177432399] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:33:47,045 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:33:47,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 22 [2022-11-20 09:33:47,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306647797] [2022-11-20 09:33:47,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:33:47,046 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:33:47,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:47,046 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 11 times [2022-11-20 09:33:47,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:47,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887498561] [2022-11-20 09:33:47,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:47,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:47,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:47,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:47,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:47,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-20 09:33:47,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2022-11-20 09:33:47,092 INFO L87 Difference]: Start difference. First operand 57 states and 70 transitions. cyclomatic complexity: 21 Second operand has 23 states, 22 states have (on average 3.6363636363636362) internal successors, (80), 23 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:47,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:47,379 INFO L93 Difference]: Finished difference Result 91 states and 111 transitions. [2022-11-20 09:33:47,379 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 111 transitions. [2022-11-20 09:33:47,380 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:47,380 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 64 states and 79 transitions. [2022-11-20 09:33:47,380 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 09:33:47,380 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 09:33:47,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 79 transitions. [2022-11-20 09:33:47,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:33:47,381 INFO L218 hiAutomatonCegarLoop]: Abstraction has 64 states and 79 transitions. [2022-11-20 09:33:47,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 79 transitions. [2022-11-20 09:33:47,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 61. [2022-11-20 09:33:47,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.2295081967213115) internal successors, (75), 60 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:47,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2022-11-20 09:33:47,383 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 75 transitions. [2022-11-20 09:33:47,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 09:33:47,384 INFO L428 stractBuchiCegarLoop]: Abstraction has 61 states and 75 transitions. [2022-11-20 09:33:47,384 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-11-20 09:33:47,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 75 transitions. [2022-11-20 09:33:47,384 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:47,384 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:47,385 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:47,385 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:47,385 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:33:47,385 INFO L748 eck$LassoCheckResult]: Stem: 5011#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5012#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 5018#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 5024#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 5019#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 5020#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5021#L521 assume !(main_~val~0#1 < 0); 5015#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5016#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5017#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5022#L521 assume !(main_~val~0#1 < 0); 5065#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5064#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5063#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5062#L521 assume !(main_~val~0#1 < 0); 5061#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5060#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5059#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5058#L521 assume !(main_~val~0#1 < 0); 5057#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5056#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5055#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5054#L521 assume !(main_~val~0#1 < 0); 5053#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5052#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5051#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5027#L521 assume !(main_~val~0#1 < 0); 5033#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5030#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5026#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 5025#L519-4 main_~j~0#1 := 0; 5013#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5010#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5023#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5005#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5006#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5014#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5049#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5048#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5047#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5045#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5044#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5043#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5042#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5040#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5039#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5038#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5037#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5036#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5032#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5031#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5028#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5008#L527-3 [2022-11-20 09:33:47,386 INFO L750 eck$LassoCheckResult]: Loop: 5008#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5007#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 5008#L527-3 [2022-11-20 09:33:47,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:47,386 INFO L85 PathProgramCache]: Analyzing trace with hash 618476690, now seen corresponding path program 12 times [2022-11-20 09:33:47,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:47,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267746762] [2022-11-20 09:33:47,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:47,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:47,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:47,432 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:47,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:47,433 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 12 times [2022-11-20 09:33:47,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:47,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969985257] [2022-11-20 09:33:47,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:47,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:47,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:47,440 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:47,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:47,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1650613783, now seen corresponding path program 6 times [2022-11-20 09:33:47,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:47,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911485452] [2022-11-20 09:33:47,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:47,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:47,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:47,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:49,514 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:33:49,515 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:33:49,515 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:33:49,515 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:33:49,515 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:33:49,515 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:49,515 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:33:49,516 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:33:49,517 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration15_Lasso [2022-11-20 09:33:49,517 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:33:49,517 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:33:49,518 INFO 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 09:33:49,520 INFO 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 09:33:49,522 INFO 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 09:33:49,524 INFO 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 09:33:49,526 INFO 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 09:33:49,530 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:49,532 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:49,534 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:49,536 INFO 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 09:33:49,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:49,540 INFO 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 09:33:49,542 INFO 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 09:33:50,102 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:50,113 INFO 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 09:33:50,583 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:33:50,583 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:33:50,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:50,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:50,584 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:50,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-11-20 09:33:50,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:50,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:50,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:50,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:50,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:50,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:50,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:50,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:50,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:50,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2022-11-20 09:33:50,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:50,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:50,608 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:50,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-11-20 09:33:50,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:50,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:50,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:50,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:50,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:50,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:50,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:50,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:50,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:50,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:50,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:50,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:50,628 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:50,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-11-20 09:33:50,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:50,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:50,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:50,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:50,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:50,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:50,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:50,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:50,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:50,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:50,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:50,649 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:50,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2022-11-20 09:33:50,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:50,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:50,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:50,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:50,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:50,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:50,663 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:50,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:50,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:50,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2022-11-20 09:33:50,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:50,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:50,669 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:50,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-11-20 09:33:50,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:50,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:50,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:50,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:50,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:50,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:50,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:50,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:50,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:50,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:50,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:50,691 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:50,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2022-11-20 09:33:50,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:50,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:50,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:50,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:50,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:50,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:50,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:50,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:50,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:50,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:50,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:50,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:50,710 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:50,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2022-11-20 09:33:50,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:50,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:50,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:50,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:50,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:50,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:50,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:50,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:50,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:50,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:50,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:50,732 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:50,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2022-11-20 09:33:50,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:50,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:50,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:50,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:50,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:50,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:50,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:50,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:50,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:50,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:50,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:50,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:50,751 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:50,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2022-11-20 09:33:50,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:50,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:50,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:50,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:50,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:50,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:50,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:50,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:50,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:50,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:50,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:50,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:50,776 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:50,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2022-11-20 09:33:50,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:50,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:50,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:50,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:50,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:50,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:50,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:50,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:50,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:50,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:50,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:50,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:50,795 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:50,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2022-11-20 09:33:50,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:50,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:50,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:50,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:50,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:50,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:50,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:50,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:50,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:50,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:50,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:50,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:50,814 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:50,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2022-11-20 09:33:50,816 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 09:33:50,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:50,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:50,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:50,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:50,829 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:50,829 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:50,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:50,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:50,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:50,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:50,845 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:50,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:50,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2022-11-20 09:33:50,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:50,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:50,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:50,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:50,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:50,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:50,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:50,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:50,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:50,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:50,889 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:50,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:50,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2022-11-20 09:33:50,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:50,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:50,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:50,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:50,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:50,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:50,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:50,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:50,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:50,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:50,917 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:50,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2022-11-20 09:33:50,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:50,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:50,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:50,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:50,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:50,934 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:50,934 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:50,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:50,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:50,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:50,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:50,944 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:50,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2022-11-20 09:33:50,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:50,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:50,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:50,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:50,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:50,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:50,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:50,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:50,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2022-11-20 09:33:50,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:50,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:50,991 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:50,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2022-11-20 09:33:50,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:51,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:51,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:51,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:51,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:51,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:51,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:51,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:51,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:51,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:51,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:51,028 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:51,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2022-11-20 09:33:51,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:51,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:51,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:51,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:51,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:51,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:51,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:51,055 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:33:51,068 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-20 09:33:51,068 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-20 09:33:51,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:51,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:51,069 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:51,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2022-11-20 09:33:51,072 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:33:51,083 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:33:51,083 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:33:51,083 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_3 Supporting invariants [] [2022-11-20 09:33:51,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:51,146 INFO L156 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2022-11-20 09:33:51,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:51,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-20 09:33:51,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:51,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:51,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:51,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:51,654 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-20 09:33:51,654 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22 Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:51,905 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 71 states and 89 transitions. Complement of second has 11 states. [2022-11-20 09:33:51,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:33:51,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:51,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 51 transitions. [2022-11-20 09:33:51,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 52 letters. Loop has 2 letters. [2022-11-20 09:33:51,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:51,906 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:33:51,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:51,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-20 09:33:51,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:52,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:52,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:52,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:52,432 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 09:33:52,432 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-20 09:33:52,433 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22 Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:52,640 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 71 states and 89 transitions. Complement of second has 11 states. [2022-11-20 09:33:52,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:33:52,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:52,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 51 transitions. [2022-11-20 09:33:52,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 52 letters. Loop has 2 letters. [2022-11-20 09:33:52,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:52,642 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:33:52,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:52,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-20 09:33:52,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:53,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:53,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:53,177 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 09:33:53,179 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-20 09:33:53,179 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22 Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:53,572 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 126 states and 163 transitions. Complement of second has 26 states. [2022-11-20 09:33:53,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 14 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:33:53,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:53,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 100 transitions. [2022-11-20 09:33:53,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 100 transitions. Stem has 52 letters. Loop has 2 letters. [2022-11-20 09:33:53,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:53,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 100 transitions. Stem has 54 letters. Loop has 2 letters. [2022-11-20 09:33:53,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:53,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 100 transitions. Stem has 52 letters. Loop has 4 letters. [2022-11-20 09:33:53,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:53,574 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 163 transitions. [2022-11-20 09:33:53,575 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 09:33:53,583 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 121 states and 156 transitions. [2022-11-20 09:33:53,584 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 09:33:53,584 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 09:33:53,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 156 transitions. [2022-11-20 09:33:53,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:33:53,585 INFO L218 hiAutomatonCegarLoop]: Abstraction has 121 states and 156 transitions. [2022-11-20 09:33:53,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 156 transitions. [2022-11-20 09:33:53,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 72. [2022-11-20 09:33:53,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.2361111111111112) internal successors, (89), 71 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:53,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 89 transitions. [2022-11-20 09:33:53,594 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 89 transitions. [2022-11-20 09:33:53,595 INFO L428 stractBuchiCegarLoop]: Abstraction has 72 states and 89 transitions. [2022-11-20 09:33:53,595 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2022-11-20 09:33:53,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 89 transitions. [2022-11-20 09:33:53,595 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:53,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:53,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:53,596 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:53,597 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:33:53,597 INFO L748 eck$LassoCheckResult]: Stem: 6036#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6037#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 6044#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 6050#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 6045#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 6046#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6047#L521 assume !(main_~val~0#1 < 0); 6070#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6042#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6043#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6048#L521 assume !(main_~val~0#1 < 0); 6040#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6041#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6069#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6068#L521 assume !(main_~val~0#1 < 0); 6067#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6066#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6065#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6064#L521 assume !(main_~val~0#1 < 0); 6063#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6062#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6061#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6060#L521 assume !(main_~val~0#1 < 0); 6059#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6058#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6056#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6057#L521 assume !(main_~val~0#1 < 0); 6101#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6100#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6099#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 6098#L519-4 main_~j~0#1 := 0; 6097#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6095#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6094#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6093#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6039#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6035#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6049#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6030#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6031#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6091#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6090#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6089#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6088#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6086#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6085#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6084#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6083#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6081#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6080#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6079#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6078#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6077#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6074#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6073#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6071#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6033#L527-3 [2022-11-20 09:33:53,600 INFO L750 eck$LassoCheckResult]: Loop: 6033#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6032#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 6033#L527-3 [2022-11-20 09:33:53,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:53,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1396913127, now seen corresponding path program 13 times [2022-11-20 09:33:53,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:53,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851475905] [2022-11-20 09:33:53,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:53,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:53,898 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:53,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:53,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851475905] [2022-11-20 09:33:53,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851475905] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:33:53,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996633353] [2022-11-20 09:33:53,899 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 09:33:53,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:33:53,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:53,903 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:33:53,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (108)] Waiting until timeout for monitored process [2022-11-20 09:33:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:54,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 09:33:54,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:54,318 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 66 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:54,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:33:54,514 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 66 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:54,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996633353] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:33:54,514 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:33:54,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 25 [2022-11-20 09:33:54,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432242758] [2022-11-20 09:33:54,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:33:54,515 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:33:54,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:54,516 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 13 times [2022-11-20 09:33:54,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:54,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331132008] [2022-11-20 09:33:54,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:54,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:54,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:54,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:54,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:54,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-20 09:33:54,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-11-20 09:33:54,565 INFO L87 Difference]: Start difference. First operand 72 states and 89 transitions. cyclomatic complexity: 26 Second operand has 26 states, 25 states have (on average 3.68) internal successors, (92), 26 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:54,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:54,813 INFO L93 Difference]: Finished difference Result 100 states and 122 transitions. [2022-11-20 09:33:54,813 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 122 transitions. [2022-11-20 09:33:54,814 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:54,815 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 68 states and 84 transitions. [2022-11-20 09:33:54,815 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 09:33:54,815 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 09:33:54,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 84 transitions. [2022-11-20 09:33:54,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:33:54,815 INFO L218 hiAutomatonCegarLoop]: Abstraction has 68 states and 84 transitions. [2022-11-20 09:33:54,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 84 transitions. [2022-11-20 09:33:54,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 65. [2022-11-20 09:33:54,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.2307692307692308) internal successors, (80), 64 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:54,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 80 transitions. [2022-11-20 09:33:54,817 INFO L240 hiAutomatonCegarLoop]: Abstraction has 65 states and 80 transitions. [2022-11-20 09:33:54,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 09:33:54,818 INFO L428 stractBuchiCegarLoop]: Abstraction has 65 states and 80 transitions. [2022-11-20 09:33:54,818 INFO L335 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2022-11-20 09:33:54,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 80 transitions. [2022-11-20 09:33:54,818 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:33:54,819 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:54,819 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:54,819 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 7, 7, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:54,819 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:33:54,819 INFO L748 eck$LassoCheckResult]: Stem: 6583#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6584#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 6590#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 6596#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 6591#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 6592#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6593#L521 assume !(main_~val~0#1 < 0); 6587#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6588#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6589#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6594#L521 assume !(main_~val~0#1 < 0); 6641#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6640#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6639#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6638#L521 assume !(main_~val~0#1 < 0); 6637#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6636#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6635#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6634#L521 assume !(main_~val~0#1 < 0); 6633#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6632#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6631#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6630#L521 assume !(main_~val~0#1 < 0); 6629#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6628#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6627#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6626#L521 assume !(main_~val~0#1 < 0); 6625#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6624#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6623#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6599#L521 assume !(main_~val~0#1 < 0); 6605#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6602#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6598#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 6597#L519-4 main_~j~0#1 := 0; 6585#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6582#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6595#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6577#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6578#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6586#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6621#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6620#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6619#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6617#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6616#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6615#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6614#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6612#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6611#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6610#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6609#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6608#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6604#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6603#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6600#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6580#L527-3 [2022-11-20 09:33:54,819 INFO L750 eck$LassoCheckResult]: Loop: 6580#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6579#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 6580#L527-3 [2022-11-20 09:33:54,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:54,820 INFO L85 PathProgramCache]: Analyzing trace with hash 886862091, now seen corresponding path program 14 times [2022-11-20 09:33:54,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:54,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887280606] [2022-11-20 09:33:54,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:54,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:54,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:54,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:54,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:54,869 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 14 times [2022-11-20 09:33:54,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:54,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134579275] [2022-11-20 09:33:54,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:54,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:54,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:54,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:54,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:54,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1870946384, now seen corresponding path program 7 times [2022-11-20 09:33:54,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:54,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582989768] [2022-11-20 09:33:54,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:54,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:54,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:54,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:57,901 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:33:57,901 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:33:57,901 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:33:57,901 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:33:57,901 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:33:57,901 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:57,902 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:33:57,902 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:33:57,902 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration17_Lasso [2022-11-20 09:33:57,902 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:33:57,902 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:33:57,907 INFO 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 09:33:57,920 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:57,922 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:57,925 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:57,927 INFO 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 09:33:57,929 INFO 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 09:33:57,931 INFO 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 09:33:57,935 INFO 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 09:33:57,937 INFO 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 09:33:57,939 INFO 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 09:33:57,941 INFO 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 09:33:57,944 INFO 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 09:33:57,946 INFO 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 09:33:57,948 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 09:33:58,959 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:33:58,959 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:33:58,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:58,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:58,961 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:58,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2022-11-20 09:33:58,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:58,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:58,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:58,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:58,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:58,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:58,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:58,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:58,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:58,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:58,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:58,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:58,981 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:58,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2022-11-20 09:33:58,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:58,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:58,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:58,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:58,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:58,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:58,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:58,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:58,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:58,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:58,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:58,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:58,999 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:59,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2022-11-20 09:33:59,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:59,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:59,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:59,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:59,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:59,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:59,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:59,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:59,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:59,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:59,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:59,020 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:59,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2022-11-20 09:33:59,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:59,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:59,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:59,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:59,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:59,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:59,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:59,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:59,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:59,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:59,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:59,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:59,038 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:59,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2022-11-20 09:33:59,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:59,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:59,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:59,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:59,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:59,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:59,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:59,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:59,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:59,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:59,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:59,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:59,056 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:59,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2022-11-20 09:33:59,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:59,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:59,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:59,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:59,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:59,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:59,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:59,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:59,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:59,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:59,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:59,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:59,074 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:59,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2022-11-20 09:33:59,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:59,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:59,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:59,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:59,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:59,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:59,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:59,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:59,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2022-11-20 09:33:59,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:59,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:59,095 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:59,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2022-11-20 09:33:59,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:59,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:59,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:59,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:59,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:59,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:59,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:59,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:59,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:59,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:59,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:59,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:59,116 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:59,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2022-11-20 09:33:59,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:59,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:59,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:59,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:59,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:59,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:59,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:59,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:59,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:59,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2022-11-20 09:33:59,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:59,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:59,134 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:59,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2022-11-20 09:33:59,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:59,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:59,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:59,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:59,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:59,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:59,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:59,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:59,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:59,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:59,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:59,155 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:59,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2022-11-20 09:33:59,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:59,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:59,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:59,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:59,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:59,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:59,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:59,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:59,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:59,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:59,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:59,182 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:59,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2022-11-20 09:33:59,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:59,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:59,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:59,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:59,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:59,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:59,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:59,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:59,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:59,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:59,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:59,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:59,200 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:59,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2022-11-20 09:33:59,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:59,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:59,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:59,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:59,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:59,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:59,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:59,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:59,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:59,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:59,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:59,221 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:59,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2022-11-20 09:33:59,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:59,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:59,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:59,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:59,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:59,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:59,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:59,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:59,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2022-11-20 09:33:59,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:59,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:59,243 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:59,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2022-11-20 09:33:59,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:59,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:59,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:59,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:59,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:59,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:59,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:59,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:59,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:59,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:59,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:59,265 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:59,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2022-11-20 09:33:59,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:33:59,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:59,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:59,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:59,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:59,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:59,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:59,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:59,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2022-11-20 09:33:59,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:59,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:59,289 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:59,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2022-11-20 09:33:59,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:59,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:59,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:59,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:59,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:59,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:59,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:59,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:59,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2022-11-20 09:33:59,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:59,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:59,314 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:59,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2022-11-20 09:33:59,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:59,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:59,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:59,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:59,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:59,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:59,330 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:59,339 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:33:59,350 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-20 09:33:59,350 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 09:33:59,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:59,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:59,351 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:59,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2022-11-20 09:33:59,355 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:33:59,366 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:33:59,366 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:33:59,366 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 20))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 20))_1 Supporting invariants [] [2022-11-20 09:33:59,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2022-11-20 09:33:59,400 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2022-11-20 09:33:59,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:59,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 09:33:59,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:59,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:59,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:59,663 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 09:33:59,663 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2022-11-20 09:33:59,664 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23 Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:59,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2022-11-20 09:33:59,717 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 66 states and 82 transitions. Complement of second has 4 states. [2022-11-20 09:33:59,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:33:59,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:59,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:33:59,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 56 letters. Loop has 2 letters. [2022-11-20 09:33:59,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:59,723 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:33:59,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:59,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 09:33:59,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:59,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:33:59,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:59,985 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 09:33:59,986 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.7 stem predicates 2 loop predicates [2022-11-20 09:33:59,986 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23 Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:00,022 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 66 states and 82 transitions. Complement of second has 4 states. [2022-11-20 09:34:00,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:00,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:00,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:34:00,023 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 56 letters. Loop has 2 letters. [2022-11-20 09:34:00,023 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:00,023 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:34:00,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 09:34:00,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:34:00,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:00,283 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 09:34:00,283 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2022-11-20 09:34:00,283 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23 Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:00,436 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 23. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 84 states and 107 transitions. Complement of second has 18 states. [2022-11-20 09:34:00,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 7 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:34:00,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:00,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 57 transitions. [2022-11-20 09:34:00,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 57 transitions. Stem has 56 letters. Loop has 2 letters. [2022-11-20 09:34:00,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:00,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 57 transitions. Stem has 58 letters. Loop has 2 letters. [2022-11-20 09:34:00,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:00,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 57 transitions. Stem has 56 letters. Loop has 4 letters. [2022-11-20 09:34:00,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:00,446 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 107 transitions. [2022-11-20 09:34:00,447 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:34:00,449 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 79 states and 100 transitions. [2022-11-20 09:34:00,449 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 09:34:00,450 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 09:34:00,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 100 transitions. [2022-11-20 09:34:00,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:34:00,450 INFO L218 hiAutomatonCegarLoop]: Abstraction has 79 states and 100 transitions. [2022-11-20 09:34:00,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 100 transitions. [2022-11-20 09:34:00,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 70. [2022-11-20 09:34:00,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 69 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:00,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 86 transitions. [2022-11-20 09:34:00,462 INFO L240 hiAutomatonCegarLoop]: Abstraction has 70 states and 86 transitions. [2022-11-20 09:34:00,462 INFO L428 stractBuchiCegarLoop]: Abstraction has 70 states and 86 transitions. [2022-11-20 09:34:00,462 INFO L335 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2022-11-20 09:34:00,463 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 86 transitions. [2022-11-20 09:34:00,463 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:34:00,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:34:00,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:34:00,465 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 7, 7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:00,466 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:34:00,466 INFO L748 eck$LassoCheckResult]: Stem: 7505#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7506#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 7513#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 7520#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 7514#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 7515#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7516#L521 assume !(main_~val~0#1 < 0); 7510#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7511#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7512#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7517#L521 assume !(main_~val~0#1 < 0); 7518#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7543#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7542#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7541#L521 assume !(main_~val~0#1 < 0); 7540#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7539#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7538#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7537#L521 assume !(main_~val~0#1 < 0); 7536#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7535#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7534#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7533#L521 assume !(main_~val~0#1 < 0); 7532#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7531#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7530#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7529#L521 assume !(main_~val~0#1 < 0); 7528#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7527#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7526#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7523#L521 assume !(main_~val~0#1 < 0); 7525#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7524#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7522#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 7521#L519-4 main_~j~0#1 := 0; 7507#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7508#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7567#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7566#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7509#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7504#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7519#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7499#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7500#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7564#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7563#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7562#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7561#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7559#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7558#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7557#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7556#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7554#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7553#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7552#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7551#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7550#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7547#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7546#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7544#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7502#L527-3 [2022-11-20 09:34:00,466 INFO L750 eck$LassoCheckResult]: Loop: 7502#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7501#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 7502#L527-3 [2022-11-20 09:34:00,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:00,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1611822112, now seen corresponding path program 15 times [2022-11-20 09:34:00,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:00,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084007306] [2022-11-20 09:34:00,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:00,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:00,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:00,556 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:00,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:00,557 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 15 times [2022-11-20 09:34:00,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:00,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547309639] [2022-11-20 09:34:00,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:00,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:00,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:00,564 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:00,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:00,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1522145765, now seen corresponding path program 8 times [2022-11-20 09:34:00,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:00,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525539676] [2022-11-20 09:34:00,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:00,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:00,595 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:00,621 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:04,792 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:04,793 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:04,793 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:04,793 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:04,793 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:34:04,793 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:04,793 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:04,793 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:04,793 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration18_Lasso [2022-11-20 09:34:04,793 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:04,793 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:04,796 INFO 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 09:34:04,805 INFO 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 09:34:04,807 INFO 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 09:34:04,810 INFO 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 09:34:04,813 INFO 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 09:34:04,816 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 09:34:04,819 INFO 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 09:34:06,120 INFO 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 09:34:06,122 INFO 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 09:34:06,125 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:06,128 INFO 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 09:34:06,130 INFO 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 09:34:06,132 INFO 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 09:34:06,134 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:06,695 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:06,695 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:34:06,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,702 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2022-11-20 09:34:06,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:06,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:06,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:06,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:06,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:06,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:06,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:06,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,721 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2022-11-20 09:34:06,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:06,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:06,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:06,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:06,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:06,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:06,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:06,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,740 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:06,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2022-11-20 09:34:06,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:06,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:06,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:06,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:06,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2022-11-20 09:34:06,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,761 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2022-11-20 09:34:06,764 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 09:34:06,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:06,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:06,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:06,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:06,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2022-11-20 09:34:06,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,787 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2022-11-20 09:34:06,792 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 09:34:06,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:06,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:06,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:06,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:06,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2022-11-20 09:34:06,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,811 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2022-11-20 09:34:06,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:06,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:06,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:06,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:06,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:06,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:06,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:06,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,829 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2022-11-20 09:34:06,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:06,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:06,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:06,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:06,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:06,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2022-11-20 09:34:06,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,864 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2022-11-20 09:34:06,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:06,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:06,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:06,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:06,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:06,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2022-11-20 09:34:06,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,893 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2022-11-20 09:34:06,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:06,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:06,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,907 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:06,907 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:06,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:06,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2022-11-20 09:34:06,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,914 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2022-11-20 09:34:06,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:06,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:06,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:06,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:06,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:06,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2022-11-20 09:34:06,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,940 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2022-11-20 09:34:06,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:06,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:06,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:06,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:06,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:06,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:06,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,971 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2022-11-20 09:34:06,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:06,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:06,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,991 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:06,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:06,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:07,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:07,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:07,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:07,001 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:07,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2022-11-20 09:34:07,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:07,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:07,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:07,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:07,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:07,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:07,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:07,027 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:34:07,041 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-20 09:34:07,041 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-20 09:34:07,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:07,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:07,042 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:07,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2022-11-20 09:34:07,045 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:34:07,055 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:34:07,055 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:34:07,055 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_4 Supporting invariants [] [2022-11-20 09:34:07,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2022-11-20 09:34:07,180 INFO L156 tatePredicateManager]: 28 out of 29 supporting invariants were superfluous and have been removed [2022-11-20 09:34:07,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:07,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-20 09:34:07,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:07,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:34:07,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:07,777 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 09:34:07,777 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-20 09:34:07,777 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25 Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:07,965 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25. Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 80 states and 100 transitions. Complement of second has 12 states. [2022-11-20 09:34:07,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 10 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:07,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:07,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 56 transitions. [2022-11-20 09:34:07,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 56 transitions. Stem has 60 letters. Loop has 2 letters. [2022-11-20 09:34:07,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:07,967 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:34:07,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:08,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2022-11-20 09:34:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:08,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-20 09:34:08,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:08,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:34:08,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:08,553 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 09:34:08,554 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-20 09:34:08,554 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25 Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:08,754 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25. Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 80 states and 100 transitions. Complement of second has 12 states. [2022-11-20 09:34:08,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 10 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:08,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:08,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 56 transitions. [2022-11-20 09:34:08,755 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 56 transitions. Stem has 60 letters. Loop has 2 letters. [2022-11-20 09:34:08,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:08,755 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:34:08,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:08,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-20 09:34:08,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:09,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:34:09,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:09,302 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 09:34:09,303 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-20 09:34:09,303 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25 Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:09,805 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25. Second operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 142 states and 184 transitions. Complement of second has 29 states. [2022-11-20 09:34:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 20 states 16 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:34:09,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.4444444444444446) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:09,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 111 transitions. [2022-11-20 09:34:09,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 60 letters. Loop has 2 letters. [2022-11-20 09:34:09,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:09,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 62 letters. Loop has 2 letters. [2022-11-20 09:34:09,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:09,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 60 letters. Loop has 4 letters. [2022-11-20 09:34:09,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:09,808 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 184 transitions. [2022-11-20 09:34:09,809 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 09:34:09,809 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 137 states and 177 transitions. [2022-11-20 09:34:09,809 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 09:34:09,810 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 09:34:09,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 177 transitions. [2022-11-20 09:34:09,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:34:09,810 INFO L218 hiAutomatonCegarLoop]: Abstraction has 137 states and 177 transitions. [2022-11-20 09:34:09,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 177 transitions. [2022-11-20 09:34:09,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 81. [2022-11-20 09:34:09,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 81 states have (on average 1.2345679012345678) internal successors, (100), 80 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:09,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 100 transitions. [2022-11-20 09:34:09,812 INFO L240 hiAutomatonCegarLoop]: Abstraction has 81 states and 100 transitions. [2022-11-20 09:34:09,812 INFO L428 stractBuchiCegarLoop]: Abstraction has 81 states and 100 transitions. [2022-11-20 09:34:09,812 INFO L335 stractBuchiCegarLoop]: ======== Iteration 19 ============ [2022-11-20 09:34:09,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states and 100 transitions. [2022-11-20 09:34:09,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:34:09,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:34:09,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:34:09,813 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:09,813 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:34:09,814 INFO L748 eck$LassoCheckResult]: Stem: 8704#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8705#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 8715#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 8722#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 8716#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 8717#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8718#L521 assume !(main_~val~0#1 < 0); 8712#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8713#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8714#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8719#L521 assume !(main_~val~0#1 < 0); 8720#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8746#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8745#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8744#L521 assume !(main_~val~0#1 < 0); 8743#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8742#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8741#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8740#L521 assume !(main_~val~0#1 < 0); 8739#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8738#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8737#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8736#L521 assume !(main_~val~0#1 < 0); 8735#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8734#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8733#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8732#L521 assume !(main_~val~0#1 < 0); 8731#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8730#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8728#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8729#L521 assume !(main_~val~0#1 < 0); 8782#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8781#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8780#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 8779#L519-4 main_~j~0#1 := 0; 8778#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8776#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8775#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8774#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8711#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8709#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8721#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8702#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8703#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8772#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8771#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8770#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8769#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8767#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8766#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8765#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8764#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8762#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8761#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8760#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8759#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8757#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8756#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8755#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8754#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8753#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8750#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8749#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8747#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8707#L527-3 [2022-11-20 09:34:09,814 INFO L750 eck$LassoCheckResult]: Loop: 8707#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8706#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 8707#L527-3 [2022-11-20 09:34:09,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:09,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1801767883, now seen corresponding path program 16 times [2022-11-20 09:34:09,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:09,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523527413] [2022-11-20 09:34:09,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:09,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 66 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:10,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:10,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523527413] [2022-11-20 09:34:10,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523527413] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:34:10,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817194510] [2022-11-20 09:34:10,280 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 09:34:10,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:34:10,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:10,283 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:34:10,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (142)] Waiting until timeout for monitored process [2022-11-20 09:34:10,404 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 09:34:10,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:34:10,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-20 09:34:10,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:10,744 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 91 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:10,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:34:11,008 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 91 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:11,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817194510] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:34:11,008 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:34:11,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 28 [2022-11-20 09:34:11,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102403130] [2022-11-20 09:34:11,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:34:11,009 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:34:11,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:11,009 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 16 times [2022-11-20 09:34:11,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:11,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497111195] [2022-11-20 09:34:11,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:11,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:11,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:11,017 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:11,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:11,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-20 09:34:11,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2022-11-20 09:34:11,054 INFO L87 Difference]: Start difference. First operand 81 states and 100 transitions. cyclomatic complexity: 29 Second operand has 29 states, 28 states have (on average 3.7142857142857144) internal successors, (104), 29 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:11,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:11,368 INFO L93 Difference]: Finished difference Result 114 states and 139 transitions. [2022-11-20 09:34:11,368 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 139 transitions. [2022-11-20 09:34:11,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:34:11,370 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 77 states and 95 transitions. [2022-11-20 09:34:11,370 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 09:34:11,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 09:34:11,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 95 transitions. [2022-11-20 09:34:11,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:34:11,370 INFO L218 hiAutomatonCegarLoop]: Abstraction has 77 states and 95 transitions. [2022-11-20 09:34:11,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 95 transitions. [2022-11-20 09:34:11,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2022-11-20 09:34:11,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 74 states have (on average 1.2297297297297298) internal successors, (91), 73 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:11,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 91 transitions. [2022-11-20 09:34:11,372 INFO L240 hiAutomatonCegarLoop]: Abstraction has 74 states and 91 transitions. [2022-11-20 09:34:11,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-20 09:34:11,373 INFO L428 stractBuchiCegarLoop]: Abstraction has 74 states and 91 transitions. [2022-11-20 09:34:11,373 INFO L335 stractBuchiCegarLoop]: ======== Iteration 20 ============ [2022-11-20 09:34:11,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 91 transitions. [2022-11-20 09:34:11,373 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:34:11,373 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:34:11,373 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:34:11,374 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 8, 8, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:11,374 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:34:11,374 INFO L748 eck$LassoCheckResult]: Stem: 9331#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9332#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 9338#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 9344#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 9339#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 9340#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9341#L521 assume !(main_~val~0#1 < 0); 9335#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9336#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9337#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9342#L521 assume !(main_~val~0#1 < 0); 9398#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9397#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9396#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9395#L521 assume !(main_~val~0#1 < 0); 9394#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9393#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9392#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9391#L521 assume !(main_~val~0#1 < 0); 9390#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9389#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9388#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9387#L521 assume !(main_~val~0#1 < 0); 9386#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9385#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9384#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9383#L521 assume !(main_~val~0#1 < 0); 9382#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9381#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9380#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9379#L521 assume !(main_~val~0#1 < 0); 9378#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9377#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9376#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 9347#L521 assume !(main_~val~0#1 < 0); 9353#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 9350#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 9346#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 9345#L519-4 main_~j~0#1 := 0; 9333#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 9330#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9343#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9325#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9326#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 9334#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9374#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9373#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9372#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 9370#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9369#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9368#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9367#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 9365#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9364#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9363#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9362#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 9360#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9359#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9358#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9357#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 9356#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9352#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 9351#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 9348#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 9328#L527-3 [2022-11-20 09:34:11,374 INFO L750 eck$LassoCheckResult]: Loop: 9328#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 9327#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 9328#L527-3 [2022-11-20 09:34:11,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:11,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1598635865, now seen corresponding path program 17 times [2022-11-20 09:34:11,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:11,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204137015] [2022-11-20 09:34:11,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:11,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:11,412 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:11,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:11,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:11,448 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 17 times [2022-11-20 09:34:11,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:11,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215791638] [2022-11-20 09:34:11,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:11,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:11,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:11,456 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:11,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:11,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1309224162, now seen corresponding path program 9 times [2022-11-20 09:34:11,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:11,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946372730] [2022-11-20 09:34:11,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:11,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:11,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:11,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:17,112 WARN L233 SmtUtils]: Spent 5.49s on a formula simplification. DAG size of input: 296 DAG size of output: 223 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:34:17,501 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:17,501 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:17,501 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:17,501 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:17,501 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:34:17,501 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:17,501 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:17,501 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:17,501 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration20_Lasso [2022-11-20 09:34:17,501 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:17,501 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:17,504 INFO 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 09:34:17,506 INFO 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 09:34:17,508 INFO 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 09:34:17,511 INFO 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 09:34:17,512 INFO 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 09:34:17,515 INFO 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 09:34:17,517 INFO 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 09:34:17,518 INFO 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 09:34:17,521 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:17,523 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:17,525 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:17,533 INFO 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 09:34:17,535 INFO 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 09:34:17,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:18,940 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:18,940 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:34:18,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:18,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:18,943 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:18,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2022-11-20 09:34:18,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:18,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:18,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:18,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:18,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:18,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:18,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:18,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:18,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:18,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:18,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:18,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:18,962 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:18,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2022-11-20 09:34:18,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:18,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:18,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:18,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:18,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:18,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:18,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:18,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:18,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2022-11-20 09:34:18,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:18,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:18,983 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:18,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2022-11-20 09:34:18,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:18,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:18,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:18,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:18,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:18,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:18,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:19,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:19,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2022-11-20 09:34:19,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,006 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2022-11-20 09:34:19,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:19,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:19,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:19,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:19,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:19,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:19,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:19,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:19,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:19,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2022-11-20 09:34:19,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,025 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2022-11-20 09:34:19,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:19,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:19,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:19,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:19,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:19,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:19,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:19,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:19,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2022-11-20 09:34:19,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,047 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2022-11-20 09:34:19,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:19,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:19,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:19,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:19,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:19,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:19,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:19,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:19,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:19,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2022-11-20 09:34:19,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,066 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2022-11-20 09:34:19,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:19,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:19,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:19,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:19,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:19,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:19,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:19,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:19,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:19,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:19,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,085 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2022-11-20 09:34:19,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:19,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:19,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:19,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:19,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:19,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:19,099 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:19,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:19,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2022-11-20 09:34:19,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,107 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2022-11-20 09:34:19,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:19,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:19,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:19,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:19,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:19,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:19,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:19,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:19,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:19,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2022-11-20 09:34:19,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,125 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2022-11-20 09:34:19,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:19,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:19,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:19,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:19,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:19,143 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:19,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:19,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:19,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2022-11-20 09:34:19,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,150 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2022-11-20 09:34:19,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:19,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:19,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:19,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:19,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:19,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:19,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:19,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:19,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:19,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2022-11-20 09:34:19,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,169 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2022-11-20 09:34:19,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:19,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:19,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:19,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:19,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:19,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:19,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:19,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:19,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:19,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2022-11-20 09:34:19,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,188 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2022-11-20 09:34:19,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:19,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:19,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:19,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:19,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:19,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:19,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:19,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:19,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:19,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:19,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,205 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2022-11-20 09:34:19,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:19,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:19,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:19,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:19,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:19,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:19,220 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:19,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:19,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2022-11-20 09:34:19,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,228 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2022-11-20 09:34:19,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:19,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:19,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:19,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:19,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:19,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:19,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:19,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:19,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2022-11-20 09:34:19,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,250 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2022-11-20 09:34:19,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:19,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:19,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:19,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:19,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:19,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:19,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:19,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:19,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2022-11-20 09:34:19,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,282 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2022-11-20 09:34:19,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:19,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:19,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:19,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:19,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:19,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:19,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:19,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:19,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2022-11-20 09:34:19,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,307 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2022-11-20 09:34:19,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:19,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:19,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:19,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:19,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:19,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:19,322 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:19,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:19,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2022-11-20 09:34:19,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,330 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2022-11-20 09:34:19,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:19,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:19,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:19,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:19,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:19,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:19,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:19,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:19,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2022-11-20 09:34:19,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,354 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2022-11-20 09:34:19,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:19,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:19,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:19,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:19,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:19,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:19,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:19,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:19,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2022-11-20 09:34:19,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,380 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2022-11-20 09:34:19,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:19,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:19,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:19,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:19,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:19,394 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:19,394 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:19,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:19,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:19,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,402 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2022-11-20 09:34:19,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:19,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:19,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:19,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:19,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:19,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:19,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:19,425 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:34:19,436 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-20 09:34:19,436 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 09:34:19,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:19,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:19,438 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:19,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2022-11-20 09:34:19,440 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:34:19,451 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:34:19,451 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:34:19,451 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 24))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 24))_2 Supporting invariants [] [2022-11-20 09:34:19,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2022-11-20 09:34:19,496 INFO L156 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2022-11-20 09:34:19,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:19,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 09:34:19,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:19,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:34:19,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:19,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:19,822 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 09:34:19,823 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-20 09:34:19,823 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26 Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:19,859 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 75 states and 93 transitions. Complement of second has 4 states. [2022-11-20 09:34:19,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:19,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:19,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:34:19,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 64 letters. Loop has 2 letters. [2022-11-20 09:34:19,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:19,860 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:34:19,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:19,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 09:34:19,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:20,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:34:20,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:20,146 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 09:34:20,146 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-20 09:34:20,147 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26 Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:20,169 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 75 states and 93 transitions. Complement of second has 4 states. [2022-11-20 09:34:20,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:20,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:20,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:34:20,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 64 letters. Loop has 2 letters. [2022-11-20 09:34:20,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:20,172 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:34:20,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:20,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 09:34:20,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:20,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:34:20,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:20,437 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 09:34:20,438 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2022-11-20 09:34:20,438 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26 Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:20,634 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 74 states and 91 transitions. cyclomatic complexity: 26. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 94 states and 120 transitions. Complement of second has 20 states. [2022-11-20 09:34:20,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:34:20,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:20,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 63 transitions. [2022-11-20 09:34:20,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 63 transitions. Stem has 64 letters. Loop has 2 letters. [2022-11-20 09:34:20,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:20,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 63 transitions. Stem has 66 letters. Loop has 2 letters. [2022-11-20 09:34:20,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:20,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 63 transitions. Stem has 64 letters. Loop has 4 letters. [2022-11-20 09:34:20,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:20,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 120 transitions. [2022-11-20 09:34:20,637 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:34:20,638 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 89 states and 113 transitions. [2022-11-20 09:34:20,638 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 09:34:20,638 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 09:34:20,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 113 transitions. [2022-11-20 09:34:20,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:34:20,638 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 113 transitions. [2022-11-20 09:34:20,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 113 transitions. [2022-11-20 09:34:20,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 79. [2022-11-20 09:34:20,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 78 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:20,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 97 transitions. [2022-11-20 09:34:20,640 INFO L240 hiAutomatonCegarLoop]: Abstraction has 79 states and 97 transitions. [2022-11-20 09:34:20,640 INFO L428 stractBuchiCegarLoop]: Abstraction has 79 states and 97 transitions. [2022-11-20 09:34:20,640 INFO L335 stractBuchiCegarLoop]: ======== Iteration 21 ============ [2022-11-20 09:34:20,640 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 79 states and 97 transitions. [2022-11-20 09:34:20,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:34:20,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:34:20,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:34:20,641 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 8, 8, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:20,641 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:34:20,642 INFO L748 eck$LassoCheckResult]: Stem: 10380#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10381#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 10388#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 10395#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 10389#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 10390#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10391#L521 assume !(main_~val~0#1 < 0); 10385#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10386#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10387#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10392#L521 assume !(main_~val~0#1 < 0); 10393#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10422#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10421#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10420#L521 assume !(main_~val~0#1 < 0); 10419#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10418#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10417#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10416#L521 assume !(main_~val~0#1 < 0); 10415#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10414#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10413#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10412#L521 assume !(main_~val~0#1 < 0); 10411#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10410#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10409#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10408#L521 assume !(main_~val~0#1 < 0); 10407#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10406#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10405#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10404#L521 assume !(main_~val~0#1 < 0); 10403#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10402#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10401#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 10398#L521 assume !(main_~val~0#1 < 0); 10400#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 10399#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 10397#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 10396#L519-4 main_~j~0#1 := 0; 10382#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 10383#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10451#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10450#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10384#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 10379#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10394#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10374#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10375#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 10448#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10447#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10446#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10445#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 10443#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10442#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10441#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10440#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 10438#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10437#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10436#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10435#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 10433#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10432#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10431#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10430#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 10429#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10426#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 10425#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 10423#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 10377#L527-3 [2022-11-20 09:34:20,642 INFO L750 eck$LassoCheckResult]: Loop: 10377#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 10376#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 10377#L527-3 [2022-11-20 09:34:20,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:20,642 INFO L85 PathProgramCache]: Analyzing trace with hash 260997934, now seen corresponding path program 18 times [2022-11-20 09:34:20,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:20,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531475263] [2022-11-20 09:34:20,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:20,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:20,684 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:20,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:20,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:20,714 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 18 times [2022-11-20 09:34:20,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:20,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141677988] [2022-11-20 09:34:20,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:20,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:20,718 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:20,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:20,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:20,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1710912947, now seen corresponding path program 10 times [2022-11-20 09:34:20,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:20,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401369620] [2022-11-20 09:34:20,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:20,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:20,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:20,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:25,690 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:25,691 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:25,691 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:25,691 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:25,691 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:34:25,691 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:25,691 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:25,691 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:25,691 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration21_Lasso [2022-11-20 09:34:25,692 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:25,692 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:25,694 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:25,703 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:25,705 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:25,707 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:25,710 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:25,712 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:25,714 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:27,177 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:27,179 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:27,181 INFO 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 09:34:27,183 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 09:34:27,185 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 09:34:27,187 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 09:34:27,189 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:27,790 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:27,790 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:34:27,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:27,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:27,791 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:27,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2022-11-20 09:34:27,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:27,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:27,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:27,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:27,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:27,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:27,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:27,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:27,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:27,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2022-11-20 09:34:27,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:27,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:27,810 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:27,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2022-11-20 09:34:27,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:27,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:27,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:27,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:27,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:27,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:27,824 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:27,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:27,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:27,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:27,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:27,831 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:27,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2022-11-20 09:34:27,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:27,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:27,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:27,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:27,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:27,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:27,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:27,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:27,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:27,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2022-11-20 09:34:27,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:27,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:27,850 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:27,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2022-11-20 09:34:27,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:27,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:27,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:27,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:27,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:27,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:27,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:27,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:27,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Ended with exit code 0 [2022-11-20 09:34:27,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:27,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:27,873 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:27,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2022-11-20 09:34:27,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:27,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:27,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:27,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:27,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:27,887 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:27,887 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:27,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:27,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Ended with exit code 0 [2022-11-20 09:34:27,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:27,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:27,894 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:27,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2022-11-20 09:34:27,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:27,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:27,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:27,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:27,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:27,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:27,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:27,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:27,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:27,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:27,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:27,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:27,913 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:27,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2022-11-20 09:34:27,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:27,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:27,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:27,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:27,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:27,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:27,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:27,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:27,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Ended with exit code 0 [2022-11-20 09:34:27,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:27,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:27,942 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:27,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2022-11-20 09:34:27,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:27,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:27,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:27,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:27,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:27,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:27,961 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:27,994 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:34:28,011 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-20 09:34:28,011 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-20 09:34:28,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:28,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:28,012 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:28,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2022-11-20 09:34:28,014 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:34:28,025 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:34:28,025 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:34:28,026 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_5) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_5 Supporting invariants [] [2022-11-20 09:34:28,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Ended with exit code 0 [2022-11-20 09:34:28,160 INFO L156 tatePredicateManager]: 32 out of 33 supporting invariants were superfluous and have been removed [2022-11-20 09:34:28,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:28,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-20 09:34:28,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:28,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Ended with exit code 0 [2022-11-20 09:34:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:28,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:34:28,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:28,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:28,818 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.18 stem predicates 2 loop predicates [2022-11-20 09:34:28,818 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28 Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:29,102 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28. Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 89 states and 111 transitions. Complement of second has 13 states. [2022-11-20 09:34:29,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 11 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:29,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:29,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 61 transitions. [2022-11-20 09:34:29,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 61 transitions. Stem has 68 letters. Loop has 2 letters. [2022-11-20 09:34:29,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:29,103 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:34:29,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:29,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-20 09:34:29,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:29,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:34:29,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:29,765 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 09:34:29,766 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.18 stem predicates 2 loop predicates [2022-11-20 09:34:29,766 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28 Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:30,062 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28. Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 89 states and 111 transitions. Complement of second has 13 states. [2022-11-20 09:34:30,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 11 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:30,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:30,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 61 transitions. [2022-11-20 09:34:30,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 61 transitions. Stem has 68 letters. Loop has 2 letters. [2022-11-20 09:34:30,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:30,064 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:34:30,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:30,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-20 09:34:30,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:30,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:34:30,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:30,753 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 09:34:30,756 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.18 stem predicates 2 loop predicates [2022-11-20 09:34:30,756 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28 Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:31,256 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28. Second operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 158 states and 205 transitions. Complement of second has 32 states. [2022-11-20 09:34:31,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 22 states 18 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:34:31,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 3.5) internal successors, (70), 20 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:31,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 122 transitions. [2022-11-20 09:34:31,257 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 122 transitions. Stem has 68 letters. Loop has 2 letters. [2022-11-20 09:34:31,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:31,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 122 transitions. Stem has 70 letters. Loop has 2 letters. [2022-11-20 09:34:31,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:31,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 122 transitions. Stem has 68 letters. Loop has 4 letters. [2022-11-20 09:34:31,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:31,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 158 states and 205 transitions. [2022-11-20 09:34:31,260 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 09:34:31,261 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 158 states to 153 states and 198 transitions. [2022-11-20 09:34:31,261 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 09:34:31,261 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 09:34:31,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 153 states and 198 transitions. [2022-11-20 09:34:31,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:34:31,262 INFO L218 hiAutomatonCegarLoop]: Abstraction has 153 states and 198 transitions. [2022-11-20 09:34:31,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states and 198 transitions. [2022-11-20 09:34:31,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 90. [2022-11-20 09:34:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 90 states have (on average 1.2333333333333334) internal successors, (111), 89 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:31,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 111 transitions. [2022-11-20 09:34:31,264 INFO L240 hiAutomatonCegarLoop]: Abstraction has 90 states and 111 transitions. [2022-11-20 09:34:31,265 INFO L428 stractBuchiCegarLoop]: Abstraction has 90 states and 111 transitions. [2022-11-20 09:34:31,265 INFO L335 stractBuchiCegarLoop]: ======== Iteration 22 ============ [2022-11-20 09:34:31,265 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 111 transitions. [2022-11-20 09:34:31,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:34:31,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:34:31,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:34:31,266 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:31,266 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:34:31,267 INFO L748 eck$LassoCheckResult]: Stem: 11729#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11730#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 11737#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 11743#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 11738#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 11739#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11740#L521 assume !(main_~val~0#1 < 0); 11771#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11735#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11736#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11741#L521 assume !(main_~val~0#1 < 0); 11733#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11734#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11770#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11769#L521 assume !(main_~val~0#1 < 0); 11768#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11767#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11766#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11765#L521 assume !(main_~val~0#1 < 0); 11764#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11763#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11762#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11761#L521 assume !(main_~val~0#1 < 0); 11760#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11759#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11758#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11757#L521 assume !(main_~val~0#1 < 0); 11756#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11755#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11754#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11753#L521 assume !(main_~val~0#1 < 0); 11752#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11751#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11749#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11750#L521 assume !(main_~val~0#1 < 0); 11812#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 11811#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11810#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 11809#L519-4 main_~j~0#1 := 0; 11808#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 11806#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11805#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11804#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11732#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 11728#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11742#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11723#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11724#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 11802#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11801#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11800#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11799#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 11797#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11796#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11795#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11794#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 11792#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11791#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11790#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11789#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 11787#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11786#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11785#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11784#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 11782#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11781#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11780#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11779#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 11778#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11775#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 11774#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 11772#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 11726#L527-3 [2022-11-20 09:34:31,267 INFO L750 eck$LassoCheckResult]: Loop: 11726#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 11725#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 11726#L527-3 [2022-11-20 09:34:31,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:31,267 INFO L85 PathProgramCache]: Analyzing trace with hash -785132413, now seen corresponding path program 19 times [2022-11-20 09:34:31,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:31,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64626088] [2022-11-20 09:34:31,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:31,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:31,689 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 91 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:31,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:31,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64626088] [2022-11-20 09:34:31,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64626088] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:34:31,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443806192] [2022-11-20 09:34:31,690 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 09:34:31,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:34:31,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:31,695 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:34:31,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (175)] Waiting until timeout for monitored process [2022-11-20 09:34:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:31,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-20 09:34:31,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:32,250 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 120 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:32,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:34:32,518 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 120 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:32,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443806192] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:34:32,519 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:34:32,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 31 [2022-11-20 09:34:32,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162000963] [2022-11-20 09:34:32,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:34:32,519 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:34:32,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:32,521 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 19 times [2022-11-20 09:34:32,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:32,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727369647] [2022-11-20 09:34:32,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:32,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:32,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:32,530 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:32,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:32,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-20 09:34:32,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=757, Unknown=0, NotChecked=0, Total=992 [2022-11-20 09:34:32,564 INFO L87 Difference]: Start difference. First operand 90 states and 111 transitions. cyclomatic complexity: 32 Second operand has 32 states, 31 states have (on average 3.7419354838709675) internal successors, (116), 32 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:32,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:32,885 INFO L93 Difference]: Finished difference Result 128 states and 156 transitions. [2022-11-20 09:34:32,885 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 128 states and 156 transitions. [2022-11-20 09:34:32,886 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:34:32,887 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 128 states to 86 states and 106 transitions. [2022-11-20 09:34:32,887 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 09:34:32,887 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 09:34:32,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 106 transitions. [2022-11-20 09:34:32,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:34:32,888 INFO L218 hiAutomatonCegarLoop]: Abstraction has 86 states and 106 transitions. [2022-11-20 09:34:32,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 106 transitions. [2022-11-20 09:34:32,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2022-11-20 09:34:32,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 1.2289156626506024) internal successors, (102), 82 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:32,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 102 transitions. [2022-11-20 09:34:32,890 INFO L240 hiAutomatonCegarLoop]: Abstraction has 83 states and 102 transitions. [2022-11-20 09:34:32,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-20 09:34:32,890 INFO L428 stractBuchiCegarLoop]: Abstraction has 83 states and 102 transitions. [2022-11-20 09:34:32,890 INFO L335 stractBuchiCegarLoop]: ======== Iteration 23 ============ [2022-11-20 09:34:32,891 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 102 transitions. [2022-11-20 09:34:32,891 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:34:32,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:34:32,891 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:34:32,892 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 9, 9, 9, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:32,892 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:34:32,892 INFO L748 eck$LassoCheckResult]: Stem: 12428#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 12429#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 12435#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 12441#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 12436#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 12437#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12438#L521 assume !(main_~val~0#1 < 0); 12432#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12433#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12434#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12439#L521 assume !(main_~val~0#1 < 0); 12504#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12503#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12502#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12501#L521 assume !(main_~val~0#1 < 0); 12500#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12499#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12498#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12497#L521 assume !(main_~val~0#1 < 0); 12496#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12495#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12494#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12493#L521 assume !(main_~val~0#1 < 0); 12492#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12491#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12490#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12489#L521 assume !(main_~val~0#1 < 0); 12488#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12487#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12486#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12485#L521 assume !(main_~val~0#1 < 0); 12484#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12483#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12482#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12481#L521 assume !(main_~val~0#1 < 0); 12480#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12479#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12478#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12444#L521 assume !(main_~val~0#1 < 0); 12450#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 12447#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12443#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 12442#L519-4 main_~j~0#1 := 0; 12430#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 12427#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12440#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12422#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12423#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 12431#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12476#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12475#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12474#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 12472#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12471#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12470#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12469#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 12467#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12466#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12465#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12464#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 12462#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12461#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12460#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12459#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 12457#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12456#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12455#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12454#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 12453#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12449#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 12448#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 12445#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 12425#L527-3 [2022-11-20 09:34:32,893 INFO L750 eck$LassoCheckResult]: Loop: 12425#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 12424#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 12425#L527-3 [2022-11-20 09:34:32,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:32,893 INFO L85 PathProgramCache]: Analyzing trace with hash 836742567, now seen corresponding path program 20 times [2022-11-20 09:34:32,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:32,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415719563] [2022-11-20 09:34:32,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:32,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:32,929 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:32,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:32,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:32,963 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 20 times [2022-11-20 09:34:32,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:32,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434057505] [2022-11-20 09:34:32,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:32,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:32,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:32,971 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:32,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:32,972 INFO L85 PathProgramCache]: Analyzing trace with hash 950724076, now seen corresponding path program 11 times [2022-11-20 09:34:32,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:32,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345598691] [2022-11-20 09:34:32,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:32,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:33,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:33,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:38,938 WARN L233 SmtUtils]: Spent 5.83s on a formula simplification. DAG size of input: 329 DAG size of output: 251 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:34:39,882 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:39,882 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:39,882 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:39,882 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:39,882 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:34:39,883 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:39,883 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:39,883 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:39,883 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration23_Lasso [2022-11-20 09:34:39,883 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:39,883 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:39,885 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 09:34:39,889 INFO 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 09:34:39,891 INFO 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 09:34:39,893 INFO 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 09:34:39,895 INFO 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 09:34:39,897 INFO 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 09:34:39,909 INFO 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 09:34:39,912 INFO 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 09:34:39,915 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:39,918 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:39,920 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:39,924 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:39,926 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:41,179 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:41,181 INFO 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 09:34:41,644 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:41,644 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:34:41,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:41,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:41,645 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:41,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2022-11-20 09:34:41,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:41,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:41,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:41,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:41,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:41,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:41,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:41,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:41,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:41,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:41,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:41,667 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:41,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2022-11-20 09:34:41,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:41,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:41,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:41,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:41,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:41,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:41,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:41,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:41,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Ended with exit code 0 [2022-11-20 09:34:41,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:41,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:41,688 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:41,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2022-11-20 09:34:41,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:41,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:41,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:41,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:41,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:41,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:41,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:41,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:41,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:41,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Ended with exit code 0 [2022-11-20 09:34:41,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:41,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:41,707 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:41,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2022-11-20 09:34:41,710 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 09:34:41,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:41,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:41,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:41,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:41,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:41,722 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:41,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:41,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:41,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:41,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:41,729 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:41,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2022-11-20 09:34:41,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:41,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:41,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:41,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:41,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:41,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:41,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:41,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:41,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:41,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:41,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:41,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:41,748 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:41,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2022-11-20 09:34:41,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:41,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:41,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:41,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:41,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:41,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:41,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:41,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:41,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:41,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:41,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:41,772 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:41,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:41,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2022-11-20 09:34:41,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:41,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:41,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:41,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:41,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:41,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:41,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:41,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:41,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Ended with exit code 0 [2022-11-20 09:34:41,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:41,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:41,798 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:41,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:41,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2022-11-20 09:34:41,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:41,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:41,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:41,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:41,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:41,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:41,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:41,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:41,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Ended with exit code 0 [2022-11-20 09:34:41,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:41,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:41,830 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:41,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2022-11-20 09:34:41,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:41,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:41,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:41,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:41,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:41,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:41,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:41,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:41,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2022-11-20 09:34:41,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:41,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:41,849 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:41,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2022-11-20 09:34:41,852 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 09:34:41,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:41,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:41,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:41,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:41,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:41,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:41,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:41,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:41,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:41,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:41,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:41,868 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:41,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2022-11-20 09:34:41,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:41,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:41,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:41,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:41,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:41,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:41,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:41,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:41,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:41,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:41,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:41,893 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:41,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2022-11-20 09:34:41,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:41,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:41,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:41,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:41,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:41,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:41,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:41,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:41,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:41,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Ended with exit code 0 [2022-11-20 09:34:41,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:41,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:41,917 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:41,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2022-11-20 09:34:41,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:41,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:41,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:41,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:41,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:41,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:41,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:41,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:41,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Ended with exit code 0 [2022-11-20 09:34:41,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:41,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:41,944 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:41,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2022-11-20 09:34:41,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:41,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:41,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:41,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:41,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:41,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:41,962 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:41,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:41,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Ended with exit code 0 [2022-11-20 09:34:41,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:41,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:41,971 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:41,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2022-11-20 09:34:41,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:41,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:41,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:41,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:41,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:41,987 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:41,987 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:41,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:41,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:41,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:41,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:41,995 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:41,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2022-11-20 09:34:41,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:42,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:42,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:42,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:42,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:42,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:42,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:42,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:42,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Ended with exit code 0 [2022-11-20 09:34:42,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:42,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:42,019 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:42,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2022-11-20 09:34:42,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:42,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:42,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:42,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:42,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:42,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:42,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:42,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:42,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Ended with exit code 0 [2022-11-20 09:34:42,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:42,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:42,053 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:42,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2022-11-20 09:34:42,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:42,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:42,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:42,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:42,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:42,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:42,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:42,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:42,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Ended with exit code 0 [2022-11-20 09:34:42,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:42,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:42,079 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:42,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2022-11-20 09:34:42,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:42,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:42,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:42,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:42,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:42,094 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:42,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:42,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:42,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:42,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:42,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:42,102 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:42,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2022-11-20 09:34:42,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:42,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:42,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:42,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:42,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:42,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:42,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:42,150 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:34:42,160 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-20 09:34:42,160 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-20 09:34:42,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:42,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:42,162 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:42,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2022-11-20 09:34:42,164 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:34:42,178 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:34:42,178 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:34:42,178 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~i~0#1 4) (- 8)))_5) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~i~0#1 4) (- 8)))_5 Supporting invariants [] [2022-11-20 09:34:42,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Ended with exit code 0 [2022-11-20 09:34:42,265 INFO L156 tatePredicateManager]: 22 out of 23 supporting invariants were superfluous and have been removed [2022-11-20 09:34:42,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:42,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-20 09:34:42,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:42,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:42,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:34:42,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:43,015 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 09:34:43,015 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.19 stem predicates 2 loop predicates [2022-11-20 09:34:43,015 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29 Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:43,315 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29. Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 93 states and 116 transitions. Complement of second has 14 states. [2022-11-20 09:34:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 12 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:43,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:43,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 66 transitions. [2022-11-20 09:34:43,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 66 transitions. Stem has 72 letters. Loop has 2 letters. [2022-11-20 09:34:43,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:43,317 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:34:43,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:43,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-20 09:34:43,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:43,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:34:43,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:44,030 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 09:34:44,030 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.19 stem predicates 2 loop predicates [2022-11-20 09:34:44,031 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29 Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:44,260 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29. Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 93 states and 116 transitions. Complement of second has 14 states. [2022-11-20 09:34:44,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 12 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:44,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:44,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 66 transitions. [2022-11-20 09:34:44,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 66 transitions. Stem has 72 letters. Loop has 2 letters. [2022-11-20 09:34:44,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:44,262 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:34:44,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:44,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-20 09:34:44,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:44,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:34:44,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:44,981 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 09:34:44,981 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.19 stem predicates 2 loop predicates [2022-11-20 09:34:44,981 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29 Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:45,570 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 83 states and 102 transitions. cyclomatic complexity: 29. Second operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 162 states and 210 transitions. Complement of second has 33 states. [2022-11-20 09:34:45,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 23 states 19 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:34:45,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 3.5238095238095237) internal successors, (74), 21 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:45,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 127 transitions. [2022-11-20 09:34:45,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 127 transitions. Stem has 72 letters. Loop has 2 letters. [2022-11-20 09:34:45,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:45,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 127 transitions. Stem has 74 letters. Loop has 2 letters. [2022-11-20 09:34:45,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:45,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 23 states and 127 transitions. Stem has 72 letters. Loop has 4 letters. [2022-11-20 09:34:45,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:45,573 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 210 transitions. [2022-11-20 09:34:45,574 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 09:34:45,575 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 157 states and 203 transitions. [2022-11-20 09:34:45,575 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 09:34:45,576 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 09:34:45,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 157 states and 203 transitions. [2022-11-20 09:34:45,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:34:45,576 INFO L218 hiAutomatonCegarLoop]: Abstraction has 157 states and 203 transitions. [2022-11-20 09:34:45,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states and 203 transitions. [2022-11-20 09:34:45,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 94. [2022-11-20 09:34:45,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 94 states have (on average 1.2340425531914894) internal successors, (116), 93 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:45,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 116 transitions. [2022-11-20 09:34:45,579 INFO L240 hiAutomatonCegarLoop]: Abstraction has 94 states and 116 transitions. [2022-11-20 09:34:45,579 INFO L428 stractBuchiCegarLoop]: Abstraction has 94 states and 116 transitions. [2022-11-20 09:34:45,579 INFO L335 stractBuchiCegarLoop]: ======== Iteration 24 ============ [2022-11-20 09:34:45,580 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states and 116 transitions. [2022-11-20 09:34:45,580 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:34:45,580 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:34:45,580 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:34:45,581 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 9, 9, 9, 9, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:45,581 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:34:45,581 INFO L748 eck$LassoCheckResult]: Stem: 13794#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 13795#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 13805#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 13812#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 13806#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 13807#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13808#L521 assume !(main_~val~0#1 < 0); 13802#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13803#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13804#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13809#L521 assume !(main_~val~0#1 < 0); 13810#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13844#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13843#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13842#L521 assume !(main_~val~0#1 < 0); 13841#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13840#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13839#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13838#L521 assume !(main_~val~0#1 < 0); 13837#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13836#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13835#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13834#L521 assume !(main_~val~0#1 < 0); 13833#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13832#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13831#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13830#L521 assume !(main_~val~0#1 < 0); 13829#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13828#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13827#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13826#L521 assume !(main_~val~0#1 < 0); 13825#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13824#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13823#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13822#L521 assume !(main_~val~0#1 < 0); 13821#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13820#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13818#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 13819#L521 assume !(main_~val~0#1 < 0); 13885#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 13884#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 13883#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 13882#L519-4 main_~j~0#1 := 0; 13881#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 13879#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13878#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13877#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13801#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 13799#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13811#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13792#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13793#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 13875#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13874#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13873#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13872#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 13870#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13869#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13868#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13867#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 13865#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13864#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13863#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13862#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 13860#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13859#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13858#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13857#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 13855#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13854#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13853#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13852#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 13851#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13848#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 13847#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 13845#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 13797#L527-3 [2022-11-20 09:34:45,582 INFO L750 eck$LassoCheckResult]: Loop: 13797#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 13796#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 13797#L527-3 [2022-11-20 09:34:45,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:45,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1182197124, now seen corresponding path program 21 times [2022-11-20 09:34:45,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:45,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010650510] [2022-11-20 09:34:45,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:45,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:45,612 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:45,643 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:45,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:45,644 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 21 times [2022-11-20 09:34:45,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:45,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23844729] [2022-11-20 09:34:45,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:45,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:45,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:45,652 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:45,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:45,653 INFO L85 PathProgramCache]: Analyzing trace with hash 2074898817, now seen corresponding path program 12 times [2022-11-20 09:34:45,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:45,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986658179] [2022-11-20 09:34:45,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:45,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:45,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:45,719 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:53,972 WARN L233 SmtUtils]: Spent 8.21s on a formula simplification. DAG size of input: 343 DAG size of output: 258 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:34:54,544 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:54,544 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:54,544 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:54,544 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:54,544 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:34:54,544 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:54,544 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:54,545 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:54,545 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration24_Lasso [2022-11-20 09:34:54,545 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:54,545 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:54,547 INFO 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 09:34:54,550 INFO 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 09:34:54,552 INFO 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 09:34:54,554 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:54,556 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:54,559 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:54,561 INFO 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 09:34:54,563 INFO 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 09:34:54,565 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:54,566 INFO 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 09:34:54,569 INFO 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 09:34:54,570 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:54,572 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:56,550 INFO 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 09:34:57,181 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:57,182 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:34:57,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:57,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:57,191 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:57,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:57,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2022-11-20 09:34:57,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:57,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:57,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:57,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:57,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:57,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:57,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:57,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:57,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:57,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:57,217 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:57,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2022-11-20 09:34:57,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:57,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:57,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:57,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:57,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:57,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:57,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:57,230 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:57,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:57,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Ended with exit code 0 [2022-11-20 09:34:57,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:57,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:57,235 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:57,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2022-11-20 09:34:57,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:57,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:57,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:57,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:57,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:57,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:57,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:57,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:57,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:57,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:57,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:57,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:57,253 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:57,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2022-11-20 09:34:57,255 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 09:34:57,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:57,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:57,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:57,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:57,267 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:57,267 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:57,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:57,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Ended with exit code 0 [2022-11-20 09:34:57,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:57,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:57,273 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:57,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2022-11-20 09:34:57,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:57,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:57,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:57,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:57,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:57,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:57,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:57,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:57,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Ended with exit code 0 [2022-11-20 09:34:57,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:57,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:57,294 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:57,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2022-11-20 09:34:57,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:57,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:57,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:57,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:57,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:57,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:57,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:57,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:57,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:57,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Ended with exit code 0 [2022-11-20 09:34:57,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:57,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:57,311 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:57,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2022-11-20 09:34:57,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:57,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:57,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:57,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:57,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:57,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:57,324 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:57,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:57,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:57,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:57,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:57,331 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:57,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2022-11-20 09:34:57,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:57,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:57,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:57,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:57,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:57,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:57,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:57,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:57,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:57,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:57,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:57,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:57,350 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:57,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2022-11-20 09:34:57,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:57,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:57,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:57,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:57,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:57,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:57,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:57,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:57,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:57,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:57,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:57,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:57,367 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:57,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2022-11-20 09:34:57,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:57,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:57,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:57,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:57,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:57,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:57,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:57,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:57,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Ended with exit code 0 [2022-11-20 09:34:57,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:57,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:57,394 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:57,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2022-11-20 09:34:57,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:57,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:57,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:57,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:57,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:57,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:57,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:57,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:57,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:57,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Ended with exit code 0 [2022-11-20 09:34:57,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:57,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:57,417 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:57,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2022-11-20 09:34:57,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:57,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:57,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:57,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:57,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:57,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:57,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:57,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:57,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:57,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Ended with exit code 0 [2022-11-20 09:34:57,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:57,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:57,434 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:57,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2022-11-20 09:34:57,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:57,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:57,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:57,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:57,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:57,449 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:57,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:57,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:57,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Ended with exit code 0 [2022-11-20 09:34:57,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:57,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:57,459 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:57,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2022-11-20 09:34:57,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:34:57,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:57,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:57,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:57,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:57,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:57,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:57,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:57,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Ended with exit code 0 [2022-11-20 09:34:57,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:57,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:57,485 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:57,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2022-11-20 09:35:30,796 INFO 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 09:35:30,798 INFO 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 09:35:30,801 INFO 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 09:35:30,803 INFO 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 09:35:35,222 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 09:35:35,225 INFO 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 09:35:35,227 INFO 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 09:35:35,229 INFO 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 09:35:35,230 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:35,232 INFO 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 09:35:35,235 INFO 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 09:35:35,921 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:35:35,921 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:35:35,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:35,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:35,927 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:35,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:35,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:35,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:35,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:35,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:35,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:35,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:35,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:35,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Waiting until timeout for monitored process [2022-11-20 09:35:35,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:35,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:35,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:35,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:35,968 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:35,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Waiting until timeout for monitored process [2022-11-20 09:35:35,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:35,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:35,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:35,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:35,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:35,981 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:35,981 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:35,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:35,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:35,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:35,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:35,988 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:35,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Waiting until timeout for monitored process [2022-11-20 09:35:35,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:36,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:36,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:36,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:36,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:36,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:36,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:36,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:36,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Ended with exit code 0 [2022-11-20 09:35:36,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:36,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:36,008 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:36,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Waiting until timeout for monitored process [2022-11-20 09:35:36,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:36,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:36,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:36,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:36,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:36,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:36,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:36,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:36,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:36,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:36,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:36,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:36,027 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:36,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Waiting until timeout for monitored process [2022-11-20 09:35:36,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:36,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:36,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:36,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:36,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:36,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:36,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:36,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:36,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:36,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:36,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:36,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:36,045 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:36,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Waiting until timeout for monitored process [2022-11-20 09:35:36,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:36,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:36,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:36,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:36,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:36,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:36,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:36,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:36,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:36,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:36,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:36,066 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:36,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Waiting until timeout for monitored process [2022-11-20 09:35:36,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:36,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:36,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:36,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:36,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:36,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:36,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:36,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:36,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:36,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:36,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:36,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:36,086 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:36,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Waiting until timeout for monitored process [2022-11-20 09:35:36,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:36,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:36,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:36,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:36,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:36,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:36,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:36,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:36,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Ended with exit code 0 [2022-11-20 09:35:36,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:36,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:36,111 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:36,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Waiting until timeout for monitored process [2022-11-20 09:35:36,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:36,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:36,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:36,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:36,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:36,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:36,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:36,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:36,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Ended with exit code 0 [2022-11-20 09:35:36,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:36,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:36,155 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:36,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Waiting until timeout for monitored process [2022-11-20 09:35:36,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:36,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:36,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:36,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:36,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:36,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:36,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:36,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:36,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Ended with exit code 0 [2022-11-20 09:35:36,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:36,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:36,182 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:36,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Waiting until timeout for monitored process [2022-11-20 09:35:36,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:36,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:36,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:36,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:36,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:36,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:36,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:36,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:36,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:36,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:36,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:36,210 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:36,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Waiting until timeout for monitored process [2022-11-20 09:35:36,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:36,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:36,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:36,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:36,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:36,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:36,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:36,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:36,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Ended with exit code 0 [2022-11-20 09:35:36,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:36,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:36,238 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:36,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Waiting until timeout for monitored process [2022-11-20 09:35:36,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:36,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:36,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:36,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:36,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:36,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:36,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:36,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:36,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Ended with exit code 0 [2022-11-20 09:35:36,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:36,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:36,265 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:36,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Waiting until timeout for monitored process [2022-11-20 09:35:36,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:36,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:36,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:36,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:36,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:36,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:36,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:36,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:36,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Ended with exit code 0 [2022-11-20 09:35:36,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:36,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:36,285 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:36,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Waiting until timeout for monitored process [2022-11-20 09:35:36,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:36,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:36,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:36,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:36,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:36,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:36,300 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:36,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:36,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Ended with exit code 0 [2022-11-20 09:35:36,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:36,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:36,309 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:36,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Waiting until timeout for monitored process [2022-11-20 09:35:36,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:36,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:36,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:36,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:36,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:36,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:36,324 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:36,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:36,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Ended with exit code 0 [2022-11-20 09:35:36,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:36,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:36,335 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:36,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Waiting until timeout for monitored process [2022-11-20 09:35:36,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:36,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:36,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:36,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:36,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:36,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:36,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:36,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:36,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Ended with exit code 0 [2022-11-20 09:35:36,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:36,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:36,362 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:36,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:36,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Waiting until timeout for monitored process [2022-11-20 09:35:36,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:36,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:36,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:36,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:36,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:36,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:36,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:36,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Ended with exit code 0 [2022-11-20 09:35:36,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:36,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:36,396 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:36,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:36,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Waiting until timeout for monitored process [2022-11-20 09:35:36,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:36,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:36,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:36,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:36,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:36,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:36,426 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:35:36,444 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2022-11-20 09:35:36,444 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-20 09:35:36,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:36,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:36,450 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:36,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Waiting until timeout for monitored process [2022-11-20 09:35:36,451 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:35:36,463 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:35:36,463 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:35:36,463 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_8) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_8 Supporting invariants [] [2022-11-20 09:35:36,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Ended with exit code 0 [2022-11-20 09:35:36,759 INFO L156 tatePredicateManager]: 40 out of 41 supporting invariants were superfluous and have been removed [2022-11-20 09:35:36,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:36,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-20 09:35:36,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:36,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:37,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:35:37,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:37,605 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 09:35:37,606 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.22 stem predicates 2 loop predicates [2022-11-20 09:35:37,606 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34 Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:38,013 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34. Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 107 states and 133 transitions. Complement of second has 15 states. [2022-11-20 09:35:38,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 13 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:35:38,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:38,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 71 transitions. [2022-11-20 09:35:38,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 71 transitions. Stem has 84 letters. Loop has 2 letters. [2022-11-20 09:35:38,014 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:38,015 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:35:38,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:38,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-20 09:35:38,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:38,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:35:38,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:38,930 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 09:35:38,930 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.22 stem predicates 2 loop predicates [2022-11-20 09:35:38,930 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34 Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:39,379 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34. Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 107 states and 133 transitions. Complement of second has 15 states. [2022-11-20 09:35:39,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 13 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:35:39,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:39,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 71 transitions. [2022-11-20 09:35:39,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 71 transitions. Stem has 84 letters. Loop has 2 letters. [2022-11-20 09:35:39,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:39,392 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:35:39,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:39,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-20 09:35:39,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:40,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:35:40,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:40,209 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 09:35:40,210 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.22 stem predicates 2 loop predicates [2022-11-20 09:35:40,210 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34 Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:40,954 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 97 states and 119 transitions. cyclomatic complexity: 34. Second operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 190 states and 247 transitions. Complement of second has 38 states. [2022-11-20 09:35:40,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 26 states 22 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:35:40,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.5833333333333335) internal successors, (86), 24 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:40,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 144 transitions. [2022-11-20 09:35:40,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 26 states and 144 transitions. Stem has 84 letters. Loop has 2 letters. [2022-11-20 09:35:40,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:40,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 26 states and 144 transitions. Stem has 86 letters. Loop has 2 letters. [2022-11-20 09:35:40,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:40,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 26 states and 144 transitions. Stem has 84 letters. Loop has 4 letters. [2022-11-20 09:35:40,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:35:40,957 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 247 transitions. [2022-11-20 09:35:40,958 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 09:35:40,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 185 states and 240 transitions. [2022-11-20 09:35:40,959 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 09:35:40,959 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 09:35:40,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 185 states and 240 transitions. [2022-11-20 09:35:40,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:35:40,960 INFO L218 hiAutomatonCegarLoop]: Abstraction has 185 states and 240 transitions. [2022-11-20 09:35:40,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states and 240 transitions. [2022-11-20 09:35:40,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 108. [2022-11-20 09:35:40,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 108 states have (on average 1.2314814814814814) internal successors, (133), 107 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:40,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 133 transitions. [2022-11-20 09:35:40,963 INFO L240 hiAutomatonCegarLoop]: Abstraction has 108 states and 133 transitions. [2022-11-20 09:35:40,963 INFO L428 stractBuchiCegarLoop]: Abstraction has 108 states and 133 transitions. [2022-11-20 09:35:40,963 INFO L335 stractBuchiCegarLoop]: ======== Iteration 28 ============ [2022-11-20 09:35:40,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 133 transitions. [2022-11-20 09:35:40,964 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:35:40,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:35:40,964 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:35:40,965 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:40,965 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:35:40,965 INFO L748 eck$LassoCheckResult]: Stem: 19046#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 19047#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 19054#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 19060#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 19055#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 19056#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19057#L521 assume !(main_~val~0#1 < 0); 19096#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19052#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19053#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19058#L521 assume !(main_~val~0#1 < 0); 19050#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19051#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19095#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19094#L521 assume !(main_~val~0#1 < 0); 19093#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19092#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19091#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19090#L521 assume !(main_~val~0#1 < 0); 19089#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19088#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19087#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19086#L521 assume !(main_~val~0#1 < 0); 19085#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19084#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19083#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19082#L521 assume !(main_~val~0#1 < 0); 19081#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19080#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19079#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19078#L521 assume !(main_~val~0#1 < 0); 19077#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19076#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19075#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19074#L521 assume !(main_~val~0#1 < 0); 19073#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19072#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19071#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19070#L521 assume !(main_~val~0#1 < 0); 19069#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19068#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19066#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19067#L521 assume !(main_~val~0#1 < 0); 19147#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19146#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19145#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 19144#L519-4 main_~j~0#1 := 0; 19143#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19141#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19140#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19139#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19049#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19045#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19059#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19040#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19041#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19137#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19136#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19135#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19134#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19132#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19131#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19130#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19129#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19127#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19126#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19125#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19124#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19122#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19121#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19120#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19119#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19117#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19116#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19115#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19114#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19112#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19111#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19110#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19109#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19107#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19106#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19105#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19104#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19103#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19100#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19099#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19097#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19043#L527-3 [2022-11-20 09:35:40,966 INFO L750 eck$LassoCheckResult]: Loop: 19043#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19042#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 19043#L527-3 [2022-11-20 09:35:40,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:40,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1412762337, now seen corresponding path program 25 times [2022-11-20 09:35:40,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:40,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129612341] [2022-11-20 09:35:40,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:40,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:41,540 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 153 proven. 227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:41,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:41,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129612341] [2022-11-20 09:35:41,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129612341] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:35:41,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944387369] [2022-11-20 09:35:41,541 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 09:35:41,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:35:41,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:41,543 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:35:41,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (258)] Waiting until timeout for monitored process [2022-11-20 09:35:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:41,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-20 09:35:41,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:42,222 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 190 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:42,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:35:42,582 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 190 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:42,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944387369] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:35:42,582 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:35:42,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 37 [2022-11-20 09:35:42,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644113233] [2022-11-20 09:35:42,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:35:42,583 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:35:42,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:42,583 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 25 times [2022-11-20 09:35:42,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:42,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828906960] [2022-11-20 09:35:42,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:42,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:42,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:42,591 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:42,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:42,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-20 09:35:42,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=1077, Unknown=0, NotChecked=0, Total=1406 [2022-11-20 09:35:42,640 INFO L87 Difference]: Start difference. First operand 108 states and 133 transitions. cyclomatic complexity: 38 Second operand has 38 states, 37 states have (on average 3.7837837837837838) internal successors, (140), 38 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:43,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:43,068 INFO L93 Difference]: Finished difference Result 156 states and 190 transitions. [2022-11-20 09:35:43,068 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 190 transitions. [2022-11-20 09:35:43,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:35:43,069 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 104 states and 128 transitions. [2022-11-20 09:35:43,069 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 09:35:43,069 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 09:35:43,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 104 states and 128 transitions. [2022-11-20 09:35:43,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:35:43,070 INFO L218 hiAutomatonCegarLoop]: Abstraction has 104 states and 128 transitions. [2022-11-20 09:35:43,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states and 128 transitions. [2022-11-20 09:35:43,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2022-11-20 09:35:43,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 101 states have (on average 1.2277227722772277) internal successors, (124), 100 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:43,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 124 transitions. [2022-11-20 09:35:43,072 INFO L240 hiAutomatonCegarLoop]: Abstraction has 101 states and 124 transitions. [2022-11-20 09:35:43,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-20 09:35:43,073 INFO L428 stractBuchiCegarLoop]: Abstraction has 101 states and 124 transitions. [2022-11-20 09:35:43,073 INFO L335 stractBuchiCegarLoop]: ======== Iteration 29 ============ [2022-11-20 09:35:43,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 124 transitions. [2022-11-20 09:35:43,074 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:35:43,074 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:35:43,074 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:35:43,075 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 11, 11, 11, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:43,075 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:35:43,075 INFO L748 eck$LassoCheckResult]: Stem: 19897#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 19898#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 19904#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 19910#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 19905#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 19906#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19907#L521 assume !(main_~val~0#1 < 0); 19901#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19902#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19903#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19908#L521 assume !(main_~val~0#1 < 0); 19991#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19990#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19989#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19988#L521 assume !(main_~val~0#1 < 0); 19987#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19986#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19985#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19984#L521 assume !(main_~val~0#1 < 0); 19983#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19982#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19981#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19980#L521 assume !(main_~val~0#1 < 0); 19979#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19978#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19977#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19976#L521 assume !(main_~val~0#1 < 0); 19975#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19974#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19973#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19972#L521 assume !(main_~val~0#1 < 0); 19971#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19970#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19969#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19968#L521 assume !(main_~val~0#1 < 0); 19967#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19966#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19965#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19964#L521 assume !(main_~val~0#1 < 0); 19963#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19962#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19961#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19960#L521 assume !(main_~val~0#1 < 0); 19959#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19958#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19957#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 19913#L521 assume !(main_~val~0#1 < 0); 19919#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 19916#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19912#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 19911#L519-4 main_~j~0#1 := 0; 19899#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19896#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19909#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19891#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19892#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19900#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19955#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19954#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19953#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19951#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19950#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19949#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19948#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19946#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19945#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19944#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19943#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19941#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19940#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19939#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19938#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19936#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19935#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19934#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19933#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19931#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19930#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19929#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19928#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19926#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19925#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19924#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19923#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19922#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19918#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 19917#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 19914#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 19894#L527-3 [2022-11-20 09:35:43,075 INFO L750 eck$LassoCheckResult]: Loop: 19894#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 19893#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 19894#L527-3 [2022-11-20 09:35:43,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:43,076 INFO L85 PathProgramCache]: Analyzing trace with hash 221080131, now seen corresponding path program 26 times [2022-11-20 09:35:43,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:43,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359076399] [2022-11-20 09:35:43,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:43,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:43,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:43,147 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:43,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:43,149 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 26 times [2022-11-20 09:35:43,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:43,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501882353] [2022-11-20 09:35:43,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:43,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:43,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:43,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:43,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:43,160 INFO L85 PathProgramCache]: Analyzing trace with hash 2004609928, now seen corresponding path program 15 times [2022-11-20 09:35:43,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:43,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846007382] [2022-11-20 09:35:43,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:43,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:43,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:43,242 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:55,018 WARN L233 SmtUtils]: Spent 11.73s on a formula simplification. DAG size of input: 395 DAG size of output: 301 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:35:56,458 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:35:56,459 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:35:56,459 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:35:56,459 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:35:56,459 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:35:56,459 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:56,459 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:35:56,459 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:35:56,459 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration29_Lasso [2022-11-20 09:35:56,459 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:35:56,459 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:35:56,462 INFO 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 09:35:56,464 INFO 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 09:35:56,466 INFO 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 09:35:56,468 INFO 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 09:35:56,470 INFO 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 09:35:56,472 INFO 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 09:35:56,492 INFO 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 09:35:56,495 INFO 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 09:35:56,496 INFO 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 09:35:56,498 INFO 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 09:35:56,500 INFO 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 09:35:56,503 INFO 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 09:35:56,509 INFO 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 09:35:59,020 INFO 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 09:35:59,023 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:35:59,597 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:35:59,597 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:35:59,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:59,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:59,603 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:59,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Waiting until timeout for monitored process [2022-11-20 09:35:59,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:59,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:59,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:59,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:59,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:59,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:59,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:59,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:59,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Ended with exit code 0 [2022-11-20 09:35:59,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:59,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:59,625 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:59,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Waiting until timeout for monitored process [2022-11-20 09:35:59,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:59,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:59,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:59,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:59,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:59,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:59,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:59,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:59,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:59,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:59,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:59,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:59,644 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:59,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Waiting until timeout for monitored process [2022-11-20 09:35:59,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:59,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:59,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:59,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:59,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:59,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:59,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:59,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:59,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:59,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Ended with exit code 0 [2022-11-20 09:35:59,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:59,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:59,662 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:59,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Waiting until timeout for monitored process [2022-11-20 09:35:59,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:59,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:59,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:59,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:59,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:59,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:59,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:59,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:59,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Ended with exit code 0 [2022-11-20 09:35:59,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:59,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:59,682 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:59,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Waiting until timeout for monitored process [2022-11-20 09:35:59,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:59,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:59,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:59,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:59,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:59,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:59,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:59,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:59,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:59,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:59,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:59,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:59,700 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:59,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Waiting until timeout for monitored process [2022-11-20 09:35:59,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:59,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:59,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:59,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:59,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:59,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:59,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:59,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:59,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:59,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Ended with exit code 0 [2022-11-20 09:35:59,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:59,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:59,717 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:59,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Waiting until timeout for monitored process [2022-11-20 09:35:59,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:59,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:59,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:59,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:59,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:59,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:59,731 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:59,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:59,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Ended with exit code 0 [2022-11-20 09:35:59,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:59,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:59,738 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:59,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Waiting until timeout for monitored process [2022-11-20 09:35:59,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:59,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:59,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:59,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:59,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:59,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:59,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:59,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:59,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:59,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Ended with exit code 0 [2022-11-20 09:35:59,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:59,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:59,757 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:59,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Waiting until timeout for monitored process [2022-11-20 09:35:59,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:59,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:59,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:35:59,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:59,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:59,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:59,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:35:59,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:35:59,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:59,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Ended with exit code 0 [2022-11-20 09:35:59,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:59,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:59,778 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:59,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Waiting until timeout for monitored process [2022-11-20 09:35:59,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:35:59,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:59,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:59,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:59,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:59,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:59,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:59,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:59,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Ended with exit code 0 [2022-11-20 09:35:59,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:59,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:59,800 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:59,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Waiting until timeout for monitored process [2022-11-20 09:35:59,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:59,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:59,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:59,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:59,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:59,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:59,814 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:59,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:59,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:59,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:59,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:59,821 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:59,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Waiting until timeout for monitored process [2022-11-20 09:35:59,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:59,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:59,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:59,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:59,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:59,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:59,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:59,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:35:59,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:59,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:59,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:59,842 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:59,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Waiting until timeout for monitored process [2022-11-20 09:35:59,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:35:59,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:35:59,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:35:59,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:35:59,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:35:59,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:35:59,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:35:59,867 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:35:59,878 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-20 09:35:59,878 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 09:35:59,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:35:59,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:59,881 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:59,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Waiting until timeout for monitored process [2022-11-20 09:35:59,882 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:35:59,892 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:35:59,892 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:35:59,892 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 36))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 36))_1 Supporting invariants [] [2022-11-20 09:35:59,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:00,023 INFO L156 tatePredicateManager]: 32 out of 33 supporting invariants were superfluous and have been removed [2022-11-20 09:36:00,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:00,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-20 09:36:00,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:00,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:36:00,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:00,439 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 09:36:00,439 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.11 stem predicates 2 loop predicates [2022-11-20 09:36:00,439 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35 Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:00,468 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 102 states and 126 transitions. Complement of second has 4 states. [2022-11-20 09:36:00,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:36:00,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:00,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:36:00,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 88 letters. Loop has 2 letters. [2022-11-20 09:36:00,470 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:36:00,470 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:36:00,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:00,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-20 09:36:00,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:00,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:36:00,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:00,863 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 09:36:00,863 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.11 stem predicates 2 loop predicates [2022-11-20 09:36:00,863 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35 Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:00,891 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 102 states and 126 transitions. Complement of second has 4 states. [2022-11-20 09:36:00,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:36:00,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:00,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:36:00,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 88 letters. Loop has 2 letters. [2022-11-20 09:36:00,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:36:00,893 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:36:00,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:00,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-20 09:36:00,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:01,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Ended with exit code 0 [2022-11-20 09:36:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:01,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:36:01,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:01,311 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 09:36:01,311 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.11 stem predicates 2 loop predicates [2022-11-20 09:36:01,311 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35 Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:01,592 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 124 transitions. cyclomatic complexity: 35. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 124 states and 159 transitions. Complement of second has 26 states. [2022-11-20 09:36:01,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 11 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:36:01,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:01,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 81 transitions. [2022-11-20 09:36:01,594 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 81 transitions. Stem has 88 letters. Loop has 2 letters. [2022-11-20 09:36:01,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:36:01,594 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 81 transitions. Stem has 90 letters. Loop has 2 letters. [2022-11-20 09:36:01,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:36:01,594 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 81 transitions. Stem has 88 letters. Loop has 4 letters. [2022-11-20 09:36:01,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:36:01,595 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 159 transitions. [2022-11-20 09:36:01,596 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:36:01,596 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 119 states and 152 transitions. [2022-11-20 09:36:01,597 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 09:36:01,597 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 09:36:01,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 152 transitions. [2022-11-20 09:36:01,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:36:01,597 INFO L218 hiAutomatonCegarLoop]: Abstraction has 119 states and 152 transitions. [2022-11-20 09:36:01,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states and 152 transitions. [2022-11-20 09:36:01,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 106. [2022-11-20 09:36:01,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 105 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:01,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 130 transitions. [2022-11-20 09:36:01,600 INFO L240 hiAutomatonCegarLoop]: Abstraction has 106 states and 130 transitions. [2022-11-20 09:36:01,600 INFO L428 stractBuchiCegarLoop]: Abstraction has 106 states and 130 transitions. [2022-11-20 09:36:01,600 INFO L335 stractBuchiCegarLoop]: ======== Iteration 30 ============ [2022-11-20 09:36:01,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 106 states and 130 transitions. [2022-11-20 09:36:01,601 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:36:01,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:36:01,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:36:01,602 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 11, 11, 11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:36:01,602 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:36:01,602 INFO L748 eck$LassoCheckResult]: Stem: 21367#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 21368#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 21375#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 21382#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 21376#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 21377#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21378#L521 assume !(main_~val~0#1 < 0); 21372#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21373#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21374#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21379#L521 assume !(main_~val~0#1 < 0); 21380#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21421#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21420#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21419#L521 assume !(main_~val~0#1 < 0); 21418#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21417#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21416#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21415#L521 assume !(main_~val~0#1 < 0); 21414#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21413#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21412#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21411#L521 assume !(main_~val~0#1 < 0); 21410#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21409#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21408#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21407#L521 assume !(main_~val~0#1 < 0); 21406#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21405#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21404#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21403#L521 assume !(main_~val~0#1 < 0); 21402#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21401#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21400#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21399#L521 assume !(main_~val~0#1 < 0); 21398#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21397#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21396#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21395#L521 assume !(main_~val~0#1 < 0); 21394#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21393#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21392#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21391#L521 assume !(main_~val~0#1 < 0); 21390#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21389#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21388#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 21385#L521 assume !(main_~val~0#1 < 0); 21387#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 21386#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 21384#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 21383#L519-4 main_~j~0#1 := 0; 21369#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21370#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21465#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21464#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21371#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21366#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21381#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21361#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21362#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21462#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21461#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21460#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21459#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21457#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21456#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21455#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21454#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21452#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21451#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21450#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21449#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21447#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21446#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21445#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21444#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21442#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21441#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21440#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21439#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21437#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21436#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21435#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21434#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21432#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21431#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21430#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21429#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21428#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21425#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 21424#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 21422#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 21364#L527-3 [2022-11-20 09:36:01,602 INFO L750 eck$LassoCheckResult]: Loop: 21364#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 21363#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 21364#L527-3 [2022-11-20 09:36:01,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:01,603 INFO L85 PathProgramCache]: Analyzing trace with hash -2010175208, now seen corresponding path program 27 times [2022-11-20 09:36:01,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:36:01,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713659423] [2022-11-20 09:36:01,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:01,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:36:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:01,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:36:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:01,677 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:36:01,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:01,678 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 27 times [2022-11-20 09:36:01,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:36:01,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511198095] [2022-11-20 09:36:01,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:01,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:36:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:01,683 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:36:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:01,686 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:36:01,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:01,687 INFO L85 PathProgramCache]: Analyzing trace with hash 956909853, now seen corresponding path program 16 times [2022-11-20 09:36:01,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:36:01,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717520372] [2022-11-20 09:36:01,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:01,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:36:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:01,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:36:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:01,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:36:16,353 WARN L233 SmtUtils]: Spent 14.55s on a formula simplification. DAG size of input: 409 DAG size of output: 311 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:36:17,245 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:36:17,245 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:36:17,245 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:36:17,245 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:36:17,245 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:36:17,245 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:17,245 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:36:17,245 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:36:17,245 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration30_Lasso [2022-11-20 09:36:17,245 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:36:17,245 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:36:17,248 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:36:17,250 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:36:17,252 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 09:36:17,254 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:36:17,256 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:36:17,258 INFO 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 09:36:17,260 INFO 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 09:36:17,262 INFO 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 09:36:19,237 INFO 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 09:36:19,241 INFO 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 09:36:19,243 INFO 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 09:36:19,245 INFO 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 09:36:19,246 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:36:19,248 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:36:19,840 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:36:19,840 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:36:19,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:19,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:19,843 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:19,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:36:19,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Waiting until timeout for monitored process [2022-11-20 09:36:19,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:19,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:36:19,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:19,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:19,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:19,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:36:19,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:36:19,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:19,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:19,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:19,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:19,879 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:19,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Waiting until timeout for monitored process [2022-11-20 09:36:19,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:36:19,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:19,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:19,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:19,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:19,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:36:19,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:36:19,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:19,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Ended with exit code 0 [2022-11-20 09:36:19,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:19,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:19,902 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:19,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Waiting until timeout for monitored process [2022-11-20 09:36:19,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:36:19,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:19,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:36:19,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:19,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:19,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:19,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:36:19,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:36:19,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:19,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Ended with exit code 0 [2022-11-20 09:36:19,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:19,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:19,921 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:19,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Waiting until timeout for monitored process [2022-11-20 09:36:19,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:36:19,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:19,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:19,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:19,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:19,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:36:19,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:36:19,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:19,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Ended with exit code 0 [2022-11-20 09:36:19,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:19,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:19,944 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:19,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Waiting until timeout for monitored process [2022-11-20 09:36:19,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:36:19,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:19,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:36:19,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:19,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:19,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:19,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:36:19,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:36:19,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:19,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:19,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:19,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:19,965 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:19,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Waiting until timeout for monitored process [2022-11-20 09:36:19,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:36:19,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:19,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:36:19,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:19,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:19,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:19,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:36:19,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:36:19,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:19,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Ended with exit code 0 [2022-11-20 09:36:19,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:19,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:19,984 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:19,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Waiting until timeout for monitored process [2022-11-20 09:36:19,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:36:20,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:20,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:20,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:20,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:20,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:36:20,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:36:20,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:20,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:20,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:20,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:20,011 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:20,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Waiting until timeout for monitored process [2022-11-20 09:36:20,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:36:20,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:20,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:20,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:20,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:20,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:36:20,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:36:20,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:20,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Ended with exit code 0 [2022-11-20 09:36:20,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:20,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:20,059 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:20,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:36:20,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Waiting until timeout for monitored process [2022-11-20 09:36:20,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:20,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:20,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:20,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:20,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:36:20,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:36:20,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:20,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:20,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:20,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:20,108 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:20,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:36:20,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Waiting until timeout for monitored process [2022-11-20 09:36:20,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:20,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:20,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:20,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:20,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:36:20,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:36:20,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:20,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:20,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:20,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:20,152 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:20,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:36:20,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Waiting until timeout for monitored process [2022-11-20 09:36:20,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:20,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:20,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:20,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:20,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:36:20,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:36:20,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:20,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:20,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:20,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:20,196 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:20,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:36:20,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Waiting until timeout for monitored process [2022-11-20 09:36:20,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:20,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:20,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:20,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:20,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:36:20,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:36:20,238 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:36:20,255 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-20 09:36:20,255 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 09:36:20,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:20,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:20,256 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:20,263 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:36:20,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (285)] Waiting until timeout for monitored process [2022-11-20 09:36:20,292 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:36:20,292 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:36:20,292 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_10) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_10 Supporting invariants [] [2022-11-20 09:36:20,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:20,436 INFO L156 tatePredicateManager]: 30 out of 31 supporting invariants were superfluous and have been removed [2022-11-20 09:36:20,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:20,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-20 09:36:20,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:21,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:36:21,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:21,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:36:21,417 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.24 stem predicates 2 loop predicates [2022-11-20 09:36:21,417 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37 Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:21,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (285)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:21,860 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37. Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 116 states and 144 transitions. Complement of second has 16 states. [2022-11-20 09:36:21,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 14 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:36:21,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 76 transitions. [2022-11-20 09:36:21,861 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 76 transitions. Stem has 92 letters. Loop has 2 letters. [2022-11-20 09:36:21,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:36:21,861 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:36:21,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:21,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-20 09:36:21,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:22,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:36:22,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:22,784 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 09:36:22,785 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.24 stem predicates 2 loop predicates [2022-11-20 09:36:22,785 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37 Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:23,115 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37. Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 116 states and 144 transitions. Complement of second has 16 states. [2022-11-20 09:36:23,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 14 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:36:23,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:23,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 76 transitions. [2022-11-20 09:36:23,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 76 transitions. Stem has 92 letters. Loop has 2 letters. [2022-11-20 09:36:23,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:36:23,128 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:36:23,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:23,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-20 09:36:23,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:24,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:36:24,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:24,080 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 09:36:24,080 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.24 stem predicates 2 loop predicates [2022-11-20 09:36:24,081 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37 Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:25,103 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 106 states and 130 transitions. cyclomatic complexity: 37. Second operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 206 states and 268 transitions. Complement of second has 41 states. [2022-11-20 09:36:25,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 28 states 24 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:36:25,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 3.6153846153846154) internal successors, (94), 26 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:25,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 155 transitions. [2022-11-20 09:36:25,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 155 transitions. Stem has 92 letters. Loop has 2 letters. [2022-11-20 09:36:25,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:36:25,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 155 transitions. Stem has 94 letters. Loop has 2 letters. [2022-11-20 09:36:25,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:36:25,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 28 states and 155 transitions. Stem has 92 letters. Loop has 4 letters. [2022-11-20 09:36:25,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:36:25,106 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 206 states and 268 transitions. [2022-11-20 09:36:25,107 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 09:36:25,108 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 206 states to 201 states and 261 transitions. [2022-11-20 09:36:25,108 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 09:36:25,109 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 09:36:25,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 201 states and 261 transitions. [2022-11-20 09:36:25,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:36:25,109 INFO L218 hiAutomatonCegarLoop]: Abstraction has 201 states and 261 transitions. [2022-11-20 09:36:25,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states and 261 transitions. [2022-11-20 09:36:25,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 117. [2022-11-20 09:36:25,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 117 states have (on average 1.2307692307692308) internal successors, (144), 116 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:25,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 144 transitions. [2022-11-20 09:36:25,112 INFO L240 hiAutomatonCegarLoop]: Abstraction has 117 states and 144 transitions. [2022-11-20 09:36:25,112 INFO L428 stractBuchiCegarLoop]: Abstraction has 117 states and 144 transitions. [2022-11-20 09:36:25,113 INFO L335 stractBuchiCegarLoop]: ======== Iteration 31 ============ [2022-11-20 09:36:25,113 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 117 states and 144 transitions. [2022-11-20 09:36:25,113 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:36:25,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:36:25,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:36:25,114 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:36:25,115 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:36:25,115 INFO L748 eck$LassoCheckResult]: Stem: 23098#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 23099#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 23106#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 23112#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 23107#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 23108#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23109#L521 assume !(main_~val~0#1 < 0); 23152#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23104#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23105#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23110#L521 assume !(main_~val~0#1 < 0); 23102#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23103#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23151#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23150#L521 assume !(main_~val~0#1 < 0); 23149#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23148#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23147#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23146#L521 assume !(main_~val~0#1 < 0); 23145#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23144#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23143#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23142#L521 assume !(main_~val~0#1 < 0); 23141#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23140#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23139#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23138#L521 assume !(main_~val~0#1 < 0); 23137#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23136#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23135#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23134#L521 assume !(main_~val~0#1 < 0); 23133#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23132#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23131#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23130#L521 assume !(main_~val~0#1 < 0); 23129#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23128#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23127#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23126#L521 assume !(main_~val~0#1 < 0); 23125#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23124#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23123#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23122#L521 assume !(main_~val~0#1 < 0); 23121#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23120#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23118#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 23119#L521 assume !(main_~val~0#1 < 0); 23208#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 23207#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 23206#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 23205#L519-4 main_~j~0#1 := 0; 23204#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23202#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23201#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23200#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23101#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23097#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23111#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23092#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23093#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23198#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23197#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23196#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23195#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23193#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23192#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23191#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23190#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23188#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23187#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23186#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23185#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23183#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23182#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23181#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23180#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23178#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23177#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23176#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23175#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23173#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23172#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23171#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23170#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23168#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23167#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23166#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23165#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23163#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23162#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23161#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23160#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23159#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23156#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 23155#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 23153#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 23095#L527-3 [2022-11-20 09:36:25,115 INFO L750 eck$LassoCheckResult]: Loop: 23095#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 23094#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 23095#L527-3 [2022-11-20 09:36:25,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:25,116 INFO L85 PathProgramCache]: Analyzing trace with hash 467367277, now seen corresponding path program 28 times [2022-11-20 09:36:25,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:36:25,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307422861] [2022-11-20 09:36:25,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:25,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:36:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:25,726 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 190 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:36:25,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:36:25,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307422861] [2022-11-20 09:36:25,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307422861] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:36:25,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188163230] [2022-11-20 09:36:25,727 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 09:36:25,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:36:25,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:25,728 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:36:25,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (286)] Waiting until timeout for monitored process [2022-11-20 09:36:25,915 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 09:36:25,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:36:25,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-20 09:36:25,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:26,426 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 231 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:36:26,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:36:26,835 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 231 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:36:26,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188163230] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:36:26,835 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:36:26,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 40 [2022-11-20 09:36:26,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965655415] [2022-11-20 09:36:26,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:36:26,836 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:36:26,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:26,836 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 28 times [2022-11-20 09:36:26,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:36:26,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949626511] [2022-11-20 09:36:26,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:26,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:36:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:26,844 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:36:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:26,848 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:36:26,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:36:26,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-11-20 09:36:26,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=1258, Unknown=0, NotChecked=0, Total=1640 [2022-11-20 09:36:26,887 INFO L87 Difference]: Start difference. First operand 117 states and 144 transitions. cyclomatic complexity: 41 Second operand has 41 states, 40 states have (on average 3.8) internal successors, (152), 41 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:27,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:36:27,396 INFO L93 Difference]: Finished difference Result 170 states and 207 transitions. [2022-11-20 09:36:27,396 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 207 transitions. [2022-11-20 09:36:27,397 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:36:27,397 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 113 states and 139 transitions. [2022-11-20 09:36:27,398 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 09:36:27,398 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 09:36:27,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 139 transitions. [2022-11-20 09:36:27,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:36:27,398 INFO L218 hiAutomatonCegarLoop]: Abstraction has 113 states and 139 transitions. [2022-11-20 09:36:27,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 139 transitions. [2022-11-20 09:36:27,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 110. [2022-11-20 09:36:27,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 110 states have (on average 1.2272727272727273) internal successors, (135), 109 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:27,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 135 transitions. [2022-11-20 09:36:27,401 INFO L240 hiAutomatonCegarLoop]: Abstraction has 110 states and 135 transitions. [2022-11-20 09:36:27,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-20 09:36:27,401 INFO L428 stractBuchiCegarLoop]: Abstraction has 110 states and 135 transitions. [2022-11-20 09:36:27,401 INFO L335 stractBuchiCegarLoop]: ======== Iteration 32 ============ [2022-11-20 09:36:27,402 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states and 135 transitions. [2022-11-20 09:36:27,402 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:36:27,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:36:27,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:36:27,403 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [12, 12, 12, 12, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:36:27,403 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:36:27,404 INFO L748 eck$LassoCheckResult]: Stem: 24021#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 24022#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 24032#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 24039#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 24033#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 24034#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24035#L521 assume !(main_~val~0#1 < 0); 24029#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24030#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24031#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24036#L521 assume !(main_~val~0#1 < 0); 24128#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24127#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24126#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24125#L521 assume !(main_~val~0#1 < 0); 24124#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24123#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24122#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24121#L521 assume !(main_~val~0#1 < 0); 24120#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24119#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24118#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24117#L521 assume !(main_~val~0#1 < 0); 24116#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24115#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24114#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24113#L521 assume !(main_~val~0#1 < 0); 24112#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24111#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24110#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24109#L521 assume !(main_~val~0#1 < 0); 24108#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24107#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24106#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24105#L521 assume !(main_~val~0#1 < 0); 24104#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24103#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24102#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24101#L521 assume !(main_~val~0#1 < 0); 24100#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24099#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24098#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24097#L521 assume !(main_~val~0#1 < 0); 24096#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24095#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24094#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24093#L521 assume !(main_~val~0#1 < 0); 24092#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24091#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24090#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 24042#L521 assume !(main_~val~0#1 < 0); 24048#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 24043#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 24041#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 24040#L519-4 main_~j~0#1 := 0; 24027#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24028#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24037#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24019#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24020#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24026#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24089#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24088#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24087#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24085#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24084#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24083#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24082#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24080#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24079#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24078#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24077#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24075#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24074#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24073#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24072#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24070#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24069#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24068#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24067#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24065#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24064#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24063#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24062#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24060#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24059#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24058#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24057#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24055#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24054#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24053#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24052#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24051#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24047#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 24046#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 24044#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 24024#L527-3 [2022-11-20 09:36:27,404 INFO L750 eck$LassoCheckResult]: Loop: 24024#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 24023#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 24024#L527-3 [2022-11-20 09:36:27,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:27,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1861662865, now seen corresponding path program 29 times [2022-11-20 09:36:27,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:36:27,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730726935] [2022-11-20 09:36:27,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:27,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:36:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:27,445 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:36:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:27,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:36:27,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:27,485 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 29 times [2022-11-20 09:36:27,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:36:27,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210941671] [2022-11-20 09:36:27,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:27,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:36:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:27,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:36:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:27,494 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:36:27,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:27,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1943347626, now seen corresponding path program 17 times [2022-11-20 09:36:27,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:36:27,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086903813] [2022-11-20 09:36:27,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:27,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:36:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:27,539 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:36:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:27,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:36:43,037 WARN L233 SmtUtils]: Spent 15.41s on a formula simplification. DAG size of input: 428 DAG size of output: 326 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:36:44,932 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:36:44,932 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:36:44,932 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:36:44,933 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:36:44,933 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:36:44,933 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:44,933 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:36:44,933 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:36:44,933 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration32_Lasso [2022-11-20 09:36:44,933 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:36:44,933 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:36:44,936 INFO 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 09:36:44,938 INFO 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 09:36:44,940 INFO 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 09:36:44,942 INFO 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 09:36:44,943 INFO 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 09:36:44,945 INFO 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 09:36:44,947 INFO 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 09:36:44,948 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 09:36:44,957 INFO 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 09:36:44,959 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:36:44,961 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:36:44,964 INFO 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 09:36:44,967 INFO 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 09:36:44,970 INFO 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 09:36:50,269 INFO 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 09:36:51,006 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:36:51,006 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:36:51,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:51,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:51,015 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:51,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Waiting until timeout for monitored process [2022-11-20 09:36:51,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:36:51,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:51,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:51,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:51,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:51,033 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:36:51,033 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:36:51,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:51,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:51,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:51,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:51,041 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:51,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Waiting until timeout for monitored process [2022-11-20 09:36:51,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:36:51,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:51,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:36:51,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:51,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:51,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:51,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:36:51,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:36:51,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:51,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Ended with exit code 0 [2022-11-20 09:36:51,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:51,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:51,064 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:51,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:36:51,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Waiting until timeout for monitored process [2022-11-20 09:36:51,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:51,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:36:51,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:51,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:51,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:51,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:36:51,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:36:51,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:51,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:51,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:51,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:51,111 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:51,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:36:51,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Waiting until timeout for monitored process [2022-11-20 09:36:51,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:51,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:36:51,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:51,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:51,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:51,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:36:51,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:36:51,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:51,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:51,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:51,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:51,156 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:51,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:36:51,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Waiting until timeout for monitored process [2022-11-20 09:36:51,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:51,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:36:51,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:51,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:51,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:51,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:36:51,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:36:51,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:51,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:51,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:51,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:51,196 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:51,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:36:51,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Waiting until timeout for monitored process [2022-11-20 09:36:51,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:51,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:36:51,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:51,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:51,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:51,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:36:51,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:36:51,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:51,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:51,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:51,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:51,234 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:51,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:36:51,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Waiting until timeout for monitored process [2022-11-20 09:36:51,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:51,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:36:51,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:51,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:51,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:51,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:36:51,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:36:51,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:51,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:51,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:51,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:51,277 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:51,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:36:51,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Waiting until timeout for monitored process [2022-11-20 09:36:51,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:51,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:36:51,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:51,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:51,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:51,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:36:51,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:36:51,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:51,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:51,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:51,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:51,315 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:51,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:36:51,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Waiting until timeout for monitored process [2022-11-20 09:36:51,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:51,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:51,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:51,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:51,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:36:51,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:36:51,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:51,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:51,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:51,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:51,357 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:51,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:36:51,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Waiting until timeout for monitored process [2022-11-20 09:36:51,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:51,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:51,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:51,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:51,375 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:36:51,375 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:36:51,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:51,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:51,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:51,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:51,396 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:51,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:36:51,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Waiting until timeout for monitored process [2022-11-20 09:36:51,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:51,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:51,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:51,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:51,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:36:51,416 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:36:51,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:51,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:51,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:51,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:51,436 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:51,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:36:51,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Waiting until timeout for monitored process [2022-11-20 09:36:51,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:51,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:51,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:51,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:51,454 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:36:51,454 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:36:51,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:51,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:51,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:51,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:51,475 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:51,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:36:51,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Waiting until timeout for monitored process [2022-11-20 09:36:51,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:51,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:51,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:51,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:51,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:36:51,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:36:51,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:36:51,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:51,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:51,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:51,516 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:51,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Waiting until timeout for monitored process [2022-11-20 09:36:51,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:36:51,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:36:51,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:36:51,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:36:51,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:36:51,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:36:51,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:36:51,541 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:36:51,558 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-20 09:36:51,558 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 09:36:51,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:36:51,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:51,561 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:36:51,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Waiting until timeout for monitored process [2022-11-20 09:36:51,564 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:36:51,575 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:36:51,575 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:36:51,576 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~i~0#1 4) (- 8)))_8) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~i~0#1 4) (- 8)))_8 Supporting invariants [] [2022-11-20 09:36:51,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Ended with exit code 0 [2022-11-20 09:36:51,796 INFO L156 tatePredicateManager]: 44 out of 45 supporting invariants were superfluous and have been removed [2022-11-20 09:36:51,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:51,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-20 09:36:51,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:52,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Forceful destruction successful, exit code 0 [2022-11-20 09:36:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:52,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:36:52,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:52,844 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 09:36:52,848 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.25 stem predicates 2 loop predicates [2022-11-20 09:36:52,848 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38 Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:53,273 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38. Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 120 states and 149 transitions. Complement of second has 17 states. [2022-11-20 09:36:53,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 15 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:36:53,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:53,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 81 transitions. [2022-11-20 09:36:53,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 81 transitions. Stem has 96 letters. Loop has 2 letters. [2022-11-20 09:36:53,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:36:53,276 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:36:53,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:53,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-20 09:36:53,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:54,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:36:54,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:54,270 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 09:36:54,271 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.25 stem predicates 2 loop predicates [2022-11-20 09:36:54,271 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38 Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:54,682 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38. Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 120 states and 149 transitions. Complement of second has 17 states. [2022-11-20 09:36:54,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 15 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:36:54,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:54,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 81 transitions. [2022-11-20 09:36:54,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 81 transitions. Stem has 96 letters. Loop has 2 letters. [2022-11-20 09:36:54,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:36:54,683 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:36:54,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:54,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-20 09:36:54,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:55,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:36:55,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:55,638 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 09:36:55,638 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.25 stem predicates 2 loop predicates [2022-11-20 09:36:55,639 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38 Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:56,634 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 110 states and 135 transitions. cyclomatic complexity: 38. Second operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 210 states and 273 transitions. Complement of second has 42 states. [2022-11-20 09:36:56,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 29 states 25 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:36:56,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 3.6296296296296298) internal successors, (98), 27 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:56,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 160 transitions. [2022-11-20 09:36:56,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 160 transitions. Stem has 96 letters. Loop has 2 letters. [2022-11-20 09:36:56,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:36:56,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 160 transitions. Stem has 98 letters. Loop has 2 letters. [2022-11-20 09:36:56,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:36:56,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 160 transitions. Stem has 96 letters. Loop has 4 letters. [2022-11-20 09:36:56,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:36:56,636 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 210 states and 273 transitions. [2022-11-20 09:36:56,637 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 09:36:56,638 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 210 states to 205 states and 266 transitions. [2022-11-20 09:36:56,638 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 09:36:56,638 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 09:36:56,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 205 states and 266 transitions. [2022-11-20 09:36:56,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:36:56,639 INFO L218 hiAutomatonCegarLoop]: Abstraction has 205 states and 266 transitions. [2022-11-20 09:36:56,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states and 266 transitions. [2022-11-20 09:36:56,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 121. [2022-11-20 09:36:56,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 121 states have (on average 1.2314049586776858) internal successors, (149), 120 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:36:56,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 149 transitions. [2022-11-20 09:36:56,642 INFO L240 hiAutomatonCegarLoop]: Abstraction has 121 states and 149 transitions. [2022-11-20 09:36:56,642 INFO L428 stractBuchiCegarLoop]: Abstraction has 121 states and 149 transitions. [2022-11-20 09:36:56,642 INFO L335 stractBuchiCegarLoop]: ======== Iteration 33 ============ [2022-11-20 09:36:56,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 149 transitions. [2022-11-20 09:36:56,643 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:36:56,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:36:56,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:36:56,644 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [12, 12, 12, 12, 12, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:36:56,644 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:36:56,645 INFO L748 eck$LassoCheckResult]: Stem: 25873#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 25874#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 25881#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 25887#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 25882#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 25883#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25884#L521 assume !(main_~val~0#1 < 0); 25931#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25879#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25880#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25885#L521 assume !(main_~val~0#1 < 0); 25877#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25878#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25930#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25929#L521 assume !(main_~val~0#1 < 0); 25928#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25927#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25926#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25925#L521 assume !(main_~val~0#1 < 0); 25924#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25923#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25922#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25921#L521 assume !(main_~val~0#1 < 0); 25920#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25919#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25918#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25917#L521 assume !(main_~val~0#1 < 0); 25916#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25915#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25914#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25913#L521 assume !(main_~val~0#1 < 0); 25912#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25911#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25910#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25909#L521 assume !(main_~val~0#1 < 0); 25908#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25907#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25906#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25905#L521 assume !(main_~val~0#1 < 0); 25904#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25903#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25902#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25901#L521 assume !(main_~val~0#1 < 0); 25900#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25899#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25898#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25897#L521 assume !(main_~val~0#1 < 0); 25896#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25895#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25893#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 25894#L521 assume !(main_~val~0#1 < 0); 25987#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 25986#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 25985#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 25984#L519-4 main_~j~0#1 := 0; 25983#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25981#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25980#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25979#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25876#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25872#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25886#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25867#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25868#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25977#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25976#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25975#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25974#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25972#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25971#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25970#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25969#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25967#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25966#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25965#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25964#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25962#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25961#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25960#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25959#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25957#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25956#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25955#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25954#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25952#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25951#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25950#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25949#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25947#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25946#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25945#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25944#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25942#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25941#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25940#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25939#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25938#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25935#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 25934#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 25932#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 25870#L527-3 [2022-11-20 09:36:56,645 INFO L750 eck$LassoCheckResult]: Loop: 25870#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 25869#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 25870#L527-3 [2022-11-20 09:36:56,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:56,645 INFO L85 PathProgramCache]: Analyzing trace with hash 753705062, now seen corresponding path program 30 times [2022-11-20 09:36:56,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:36:56,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113317719] [2022-11-20 09:36:56,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:56,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:36:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:56,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:36:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:56,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:36:56,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:56,729 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 30 times [2022-11-20 09:36:56,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:36:56,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177040692] [2022-11-20 09:36:56,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:56,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:36:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:56,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:36:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:56,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:36:56,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:56,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1538906901, now seen corresponding path program 18 times [2022-11-20 09:36:56,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:36:56,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816084013] [2022-11-20 09:36:56,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:56,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:36:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:56,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:36:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:36:56,833 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:37:14,242 WARN L233 SmtUtils]: Spent 17.36s on a formula simplification. DAG size of input: 442 DAG size of output: 333 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:37:15,836 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:37:15,836 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:37:15,836 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:37:15,836 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:37:15,836 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:37:15,836 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:37:15,837 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:37:15,837 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:37:15,837 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration33_Lasso [2022-11-20 09:37:15,837 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:37:15,837 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:37:15,839 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 09:37:15,842 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 09:37:15,843 INFO 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 09:37:15,845 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 09:37:18,189 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:37:18,191 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 09:37:18,193 INFO 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 09:37:18,195 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:37:18,197 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 09:37:18,199 INFO 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 09:37:18,201 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 09:37:18,205 INFO 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 09:37:18,208 INFO 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 09:37:18,210 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 09:37:18,769 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:37:18,769 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:37:18,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:37:18,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:37:18,770 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:37:18,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Waiting until timeout for monitored process [2022-11-20 09:37:18,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:37:18,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:37:18,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:37:18,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:37:18,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:37:18,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:37:18,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:37:18,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:37:18,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Ended with exit code 0 [2022-11-20 09:37:18,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:37:18,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:37:18,792 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:37:18,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Waiting until timeout for monitored process [2022-11-20 09:37:18,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:37:18,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:37:18,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:37:18,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:37:18,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:37:18,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:37:18,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:37:18,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:37:18,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:37:18,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Forceful destruction successful, exit code 0 [2022-11-20 09:37:18,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:37:18,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:37:18,811 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:37:18,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (304)] Waiting until timeout for monitored process [2022-11-20 09:37:18,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:37:18,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:37:18,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:37:18,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:37:18,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:37:18,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:37:18,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:37:18,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:37:18,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:37:18,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (304)] Forceful destruction successful, exit code 0 [2022-11-20 09:37:18,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:37:18,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:37:18,829 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:37:18,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Waiting until timeout for monitored process [2022-11-20 09:37:18,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:37:18,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:37:18,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:37:18,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:37:18,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:37:18,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:37:18,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:37:18,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:37:18,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Ended with exit code 0 [2022-11-20 09:37:18,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:37:18,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:37:18,852 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:37:18,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Waiting until timeout for monitored process [2022-11-20 09:37:18,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:37:18,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:37:18,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:37:18,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:37:18,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:37:18,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:37:18,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:37:18,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:37:18,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (306)] Forceful destruction successful, exit code 0 [2022-11-20 09:37:18,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:37:18,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:37:18,878 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:37:18,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Waiting until timeout for monitored process [2022-11-20 09:37:18,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:37:18,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:37:18,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:37:18,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:37:18,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:37:18,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:37:18,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:37:18,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:37:18,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Ended with exit code 0 [2022-11-20 09:37:18,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:37:18,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:37:18,912 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:37:18,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Waiting until timeout for monitored process [2022-11-20 09:37:18,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:37:18,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:37:18,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:37:18,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:37:18,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:37:18,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:37:18,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:37:18,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:37:18,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Ended with exit code 0 [2022-11-20 09:37:18,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:37:18,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:37:18,934 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:37:18,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Waiting until timeout for monitored process [2022-11-20 09:37:18,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:37:18,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:37:18,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:37:18,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:37:18,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:37:18,949 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:37:18,949 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:37:18,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:37:18,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Ended with exit code 0 [2022-11-20 09:37:18,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:37:18,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:37:18,974 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:37:18,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Waiting until timeout for monitored process [2022-11-20 09:37:18,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:37:18,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:37:18,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:37:18,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:37:18,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:37:18,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:37:18,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:37:18,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:37:18,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Ended with exit code 0 [2022-11-20 09:37:18,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:37:18,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:37:19,003 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:37:19,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Waiting until timeout for monitored process [2022-11-20 09:37:19,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:37:19,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:37:19,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:37:19,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:37:19,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:37:19,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:37:19,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:37:19,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:37:19,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Ended with exit code 0 [2022-11-20 09:37:19,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:37:19,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:37:19,024 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:37:19,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Waiting until timeout for monitored process [2022-11-20 09:37:19,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:37:19,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:37:19,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:37:19,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:37:19,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:37:19,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:37:19,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:37:19,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:37:19,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Ended with exit code 0 [2022-11-20 09:37:19,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:37:19,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:37:19,050 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:37:19,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Waiting until timeout for monitored process [2022-11-20 09:37:19,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:37:19,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:37:19,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:37:19,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:37:19,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:37:19,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:37:19,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:37:19,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:37:19,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Ended with exit code 0 [2022-11-20 09:37:19,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:37:19,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:37:19,072 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:37:19,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Waiting until timeout for monitored process [2022-11-20 09:37:19,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:37:19,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:37:19,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:37:19,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:37:19,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:37:19,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:37:19,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:37:19,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:37:19,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Forceful destruction successful, exit code 0 [2022-11-20 09:37:19,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:37:19,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:37:19,124 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:37:19,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:37:19,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Waiting until timeout for monitored process [2022-11-20 09:37:19,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:37:19,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:37:19,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:37:19,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:37:19,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:37:19,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:37:19,166 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:37:19,188 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-20 09:37:19,189 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 09:37:19,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:37:19,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:37:19,190 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:37:19,193 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:37:19,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Waiting until timeout for monitored process [2022-11-20 09:37:19,231 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:37:19,231 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:37:19,231 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 44 ULTIMATE.start_main_~arr~0#1.offset))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 44 ULTIMATE.start_main_~arr~0#1.offset))_1 Supporting invariants [] [2022-11-20 09:37:19,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Forceful destruction successful, exit code 0 [2022-11-20 09:37:19,291 INFO L156 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2022-11-20 09:37:19,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:37:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:37:19,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-20 09:37:19,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:37:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:37:19,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:37:19,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:37:19,822 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 09:37:19,822 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.13 stem predicates 2 loop predicates [2022-11-20 09:37:19,822 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42 Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:37:19,854 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42. Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 123 states and 153 transitions. Complement of second has 4 states. [2022-11-20 09:37:19,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:37:19,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:37:19,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:37:19,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-20 09:37:19,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:37:19,860 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:37:19,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:37:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:37:19,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-20 09:37:19,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:37:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:37:20,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:37:20,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:37:20,369 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 09:37:20,370 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.13 stem predicates 2 loop predicates [2022-11-20 09:37:20,370 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42 Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:37:20,401 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42. Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 123 states and 153 transitions. Complement of second has 4 states. [2022-11-20 09:37:20,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:37:20,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:37:20,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:37:20,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-20 09:37:20,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:37:20,402 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:37:20,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:37:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:37:20,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-20 09:37:20,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:37:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:37:20,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:37:20,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:37:20,876 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 09:37:20,876 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.13 stem predicates 2 loop predicates [2022-11-20 09:37:20,876 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42 Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:37:20,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Forceful destruction successful, exit code 0 [2022-11-20 09:37:21,276 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 121 states and 149 transitions. cyclomatic complexity: 42. Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 213 states and 277 transitions. Complement of second has 30 states. [2022-11-20 09:37:21,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 17 states 13 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:37:21,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:37:21,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 93 transitions. [2022-11-20 09:37:21,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 93 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-20 09:37:21,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:37:21,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 93 transitions. Stem has 102 letters. Loop has 2 letters. [2022-11-20 09:37:21,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:37:21,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 93 transitions. Stem has 100 letters. Loop has 4 letters. [2022-11-20 09:37:21,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:37:21,278 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 213 states and 277 transitions. [2022-11-20 09:37:21,279 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 09:37:21,280 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 213 states to 208 states and 270 transitions. [2022-11-20 09:37:21,280 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 09:37:21,280 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 09:37:21,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 208 states and 270 transitions. [2022-11-20 09:37:21,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:37:21,280 INFO L218 hiAutomatonCegarLoop]: Abstraction has 208 states and 270 transitions. [2022-11-20 09:37:21,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states and 270 transitions. [2022-11-20 09:37:21,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 178. [2022-11-20 09:37:21,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 178 states have (on average 1.2303370786516854) internal successors, (219), 177 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:37:21,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 219 transitions. [2022-11-20 09:37:21,284 INFO L240 hiAutomatonCegarLoop]: Abstraction has 178 states and 219 transitions. [2022-11-20 09:37:21,284 INFO L428 stractBuchiCegarLoop]: Abstraction has 178 states and 219 transitions. [2022-11-20 09:37:21,284 INFO L335 stractBuchiCegarLoop]: ======== Iteration 34 ============ [2022-11-20 09:37:21,284 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 178 states and 219 transitions. [2022-11-20 09:37:21,285 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:37:21,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:37:21,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:37:21,286 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [13, 13, 13, 13, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:37:21,286 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:37:21,286 INFO L748 eck$LassoCheckResult]: Stem: 27542#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 27543#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 27554#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 27561#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 27555#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 27556#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27557#L521 assume !(main_~val~0#1 < 0); 27551#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27552#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27553#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27558#L521 assume !(main_~val~0#1 < 0); 27559#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27605#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27604#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27603#L521 assume !(main_~val~0#1 < 0); 27602#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27601#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27600#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27599#L521 assume !(main_~val~0#1 < 0); 27598#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27597#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27596#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27595#L521 assume !(main_~val~0#1 < 0); 27594#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27593#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27592#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27591#L521 assume !(main_~val~0#1 < 0); 27590#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27589#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27588#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27587#L521 assume !(main_~val~0#1 < 0); 27586#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27585#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27584#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27583#L521 assume !(main_~val~0#1 < 0); 27582#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27581#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27580#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27579#L521 assume !(main_~val~0#1 < 0); 27578#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27577#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27576#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27575#L521 assume !(main_~val~0#1 < 0); 27574#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27573#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27572#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27571#L521 assume !(main_~val~0#1 < 0); 27570#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27569#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27568#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27567#L521 assume !(main_~val~0#1 < 0); 27566#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27565#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27563#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 27564#L521 assume !(main_~val~0#1 < 0); 27672#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 27671#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 27670#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 27669#L519-4 main_~j~0#1 := 0; 27668#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27666#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27665#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27664#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27663#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27661#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27660#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27659#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27658#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27656#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27655#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27654#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27653#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27651#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27650#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27649#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27648#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27646#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27645#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27644#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27643#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27641#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27640#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27639#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27638#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27636#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27635#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27634#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27633#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27630#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27629#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27628#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27627#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27625#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27623#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27621#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27620#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27618#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27617#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 27616#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 27606#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 27545#L527-3 [2022-11-20 09:37:21,286 INFO L750 eck$LassoCheckResult]: Loop: 27545#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 27544#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 27545#L527-3 [2022-11-20 09:37:21,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:37:21,287 INFO L85 PathProgramCache]: Analyzing trace with hash -2146966646, now seen corresponding path program 31 times [2022-11-20 09:37:21,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:37:21,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412699561] [2022-11-20 09:37:21,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:37:21,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:37:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:37:21,332 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:37:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:37:21,381 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:37:21,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:37:21,381 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 31 times [2022-11-20 09:37:21,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:37:21,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701515249] [2022-11-20 09:37:21,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:37:21,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:37:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:37:21,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:37:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:37:21,396 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:37:21,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:37:21,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1650643185, now seen corresponding path program 19 times [2022-11-20 09:37:21,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:37:21,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365077724] [2022-11-20 09:37:21,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:37:21,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:37:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:37:21,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:37:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:37:21,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:37:57,790 WARN L233 SmtUtils]: Spent 36.26s on a formula simplification. DAG size of input: 447 DAG size of output: 338 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:37:58,964 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:37:58,964 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:37:58,965 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:37:58,965 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:37:58,965 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:37:58,965 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:37:58,965 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:37:58,965 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:37:58,965 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration34_Lasso [2022-11-20 09:37:58,965 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:37:58,965 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:37:58,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:37:58,971 INFO 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 09:37:58,972 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:37:58,974 INFO 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 09:37:58,977 INFO 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 09:37:58,978 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:37:58,981 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:37:58,984 INFO 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 09:37:58,986 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:37:58,988 INFO 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 09:37:58,990 INFO 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 09:37:58,992 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:38:02,344 INFO 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 09:38:02,346 INFO 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 09:38:03,149 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:38:03,149 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:38:03,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:03,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:03,150 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:38:03,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Waiting until timeout for monitored process [2022-11-20 09:38:03,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:38:03,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:38:03,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:38:03,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:38:03,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:38:03,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:38:03,165 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:38:03,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:38:03,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Ended with exit code 0 [2022-11-20 09:38:03,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:03,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:03,172 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:38:03,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Waiting until timeout for monitored process [2022-11-20 09:38:03,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:38:03,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:38:03,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:38:03,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:38:03,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:38:03,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:38:03,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:38:03,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:38:03,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:38:03,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Forceful destruction successful, exit code 0 [2022-11-20 09:38:03,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:03,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:03,190 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:38:03,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Waiting until timeout for monitored process [2022-11-20 09:38:03,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:38:03,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:38:03,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:38:03,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:38:03,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:38:03,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:38:03,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:38:03,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:38:03,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:38:03,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Forceful destruction successful, exit code 0 [2022-11-20 09:38:03,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:03,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:03,208 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:38:03,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Waiting until timeout for monitored process [2022-11-20 09:38:03,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:38:03,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:38:03,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:38:03,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:38:03,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:38:03,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:38:03,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:38:03,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:38:03,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Ended with exit code 0 [2022-11-20 09:38:03,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:03,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:03,229 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:38:03,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Waiting until timeout for monitored process [2022-11-20 09:38:03,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:38:03,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:38:03,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:38:03,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:38:03,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:38:03,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:38:03,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:38:03,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:38:03,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:38:03,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Ended with exit code 0 [2022-11-20 09:38:03,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:03,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:03,247 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:38:03,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Waiting until timeout for monitored process [2022-11-20 09:38:03,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:38:03,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:38:03,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:38:03,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:38:03,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:38:03,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:38:03,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:38:03,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:38:03,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Forceful destruction successful, exit code 0 [2022-11-20 09:38:03,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:03,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:03,269 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:38:03,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Waiting until timeout for monitored process [2022-11-20 09:38:03,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:38:03,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:38:03,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:38:03,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:38:03,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:38:03,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:38:03,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:38:03,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:38:03,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Ended with exit code 0 [2022-11-20 09:38:03,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:03,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:03,290 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:38:03,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Waiting until timeout for monitored process [2022-11-20 09:38:03,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:38:03,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:38:03,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:38:03,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:38:03,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:38:03,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:38:03,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:38:03,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:38:03,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:38:03,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Ended with exit code 0 [2022-11-20 09:38:03,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:03,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:03,308 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:38:03,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (325)] Waiting until timeout for monitored process [2022-11-20 09:38:03,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:38:03,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:38:03,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:38:03,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:38:03,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:38:03,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:38:03,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:38:03,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:38:03,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:38:03,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (325)] Forceful destruction successful, exit code 0 [2022-11-20 09:38:03,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:03,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:03,326 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:38:03,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Waiting until timeout for monitored process [2022-11-20 09:38:03,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:38:03,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:38:03,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:38:03,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:38:03,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:38:03,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:38:03,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:38:03,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:38:03,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Ended with exit code 0 [2022-11-20 09:38:03,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:03,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:03,348 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:38:03,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Waiting until timeout for monitored process [2022-11-20 09:38:03,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:38:03,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:38:03,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:38:03,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:38:03,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:38:03,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:38:03,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:38:03,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:38:03,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:38:03,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Ended with exit code 0 [2022-11-20 09:38:03,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:03,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:03,366 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:38:03,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Waiting until timeout for monitored process [2022-11-20 09:38:03,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:38:03,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:38:03,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:38:03,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:38:03,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:38:03,381 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:38:03,381 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:38:03,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:38:03,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Ended with exit code 0 [2022-11-20 09:38:03,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:03,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:03,391 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:38:03,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Waiting until timeout for monitored process [2022-11-20 09:38:03,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:38:03,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:38:03,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:38:03,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:38:03,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:38:03,406 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:38:03,406 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:38:03,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:38:03,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Ended with exit code 0 [2022-11-20 09:38:03,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:03,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:03,417 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:38:03,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Waiting until timeout for monitored process [2022-11-20 09:38:03,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:38:03,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:38:03,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:38:03,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:38:03,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:38:03,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:38:03,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:38:03,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:38:03,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Ended with exit code 0 [2022-11-20 09:38:03,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:03,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:03,443 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:38:03,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Waiting until timeout for monitored process [2022-11-20 09:38:03,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:38:03,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:38:03,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:38:03,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:38:03,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:38:03,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:38:03,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:38:03,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:38:03,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Ended with exit code 0 [2022-11-20 09:38:03,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:03,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:03,478 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:38:03,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Waiting until timeout for monitored process [2022-11-20 09:38:03,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:38:03,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:38:03,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:38:03,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:38:03,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:38:03,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:38:03,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:38:03,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:38:03,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Ended with exit code 0 [2022-11-20 09:38:03,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:03,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:03,501 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:38:03,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Waiting until timeout for monitored process [2022-11-20 09:38:03,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:38:03,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:38:03,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:38:03,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:38:03,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:38:03,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:38:03,517 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:38:03,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:38:03,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Ended with exit code 0 [2022-11-20 09:38:03,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:03,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:03,528 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:38:03,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Waiting until timeout for monitored process [2022-11-20 09:38:03,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:38:03,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:38:03,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:38:03,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:38:03,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:38:03,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:38:03,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:38:03,552 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:38:03,562 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-20 09:38:03,562 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-20 09:38:03,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:03,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:03,563 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:38:03,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (335)] Waiting until timeout for monitored process [2022-11-20 09:38:03,566 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:38:03,577 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:38:03,577 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:38:03,577 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 12) (* ULTIMATE.start_main_~i~0#1 4)))_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 12) (* ULTIMATE.start_main_~i~0#1 4)))_3 Supporting invariants [] [2022-11-20 09:38:03,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Ended with exit code 0 [2022-11-20 09:38:03,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (335)] Ended with exit code 0 [2022-11-20 09:38:03,858 INFO L156 tatePredicateManager]: 48 out of 49 supporting invariants were superfluous and have been removed [2022-11-20 09:38:03,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:38:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:38:03,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-20 09:38:03,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:38:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:38:04,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:38:04,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:38:04,870 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 09:38:04,870 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.26 stem predicates 2 loop predicates [2022-11-20 09:38:04,870 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67 Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:38:05,383 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67. Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 189 states and 235 transitions. Complement of second has 18 states. [2022-11-20 09:38:05,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 17 states 16 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:38:05,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:38:05,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 89 transitions. [2022-11-20 09:38:05,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 89 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-20 09:38:05,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:38:05,388 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:38:05,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:38:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:38:05,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-20 09:38:05,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:38:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:38:06,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:38:06,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:38:06,518 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 09:38:06,518 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.26 stem predicates 2 loop predicates [2022-11-20 09:38:06,518 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67 Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:38:07,005 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67. Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 189 states and 235 transitions. Complement of second has 18 states. [2022-11-20 09:38:07,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 17 states 16 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:38:07,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:38:07,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 89 transitions. [2022-11-20 09:38:07,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states and 89 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-20 09:38:07,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:38:07,007 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:38:07,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:38:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:38:07,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-20 09:38:07,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:38:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:38:08,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:38:08,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:38:08,089 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 09:38:08,090 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.26 stem predicates 2 loop predicates [2022-11-20 09:38:08,090 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67 Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:38:09,146 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 178 states and 219 transitions. cyclomatic complexity: 67. Second operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 311 states and 408 transitions. Complement of second has 44 states. [2022-11-20 09:38:09,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 30 states 26 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:38:09,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.642857142857143) internal successors, (102), 28 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:38:09,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 173 transitions. [2022-11-20 09:38:09,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 173 transitions. Stem has 100 letters. Loop has 2 letters. [2022-11-20 09:38:09,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:38:09,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 173 transitions. Stem has 102 letters. Loop has 2 letters. [2022-11-20 09:38:09,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:38:09,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 30 states and 173 transitions. Stem has 100 letters. Loop has 4 letters. [2022-11-20 09:38:09,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:38:09,148 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 311 states and 408 transitions. [2022-11-20 09:38:09,150 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2022-11-20 09:38:09,151 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 311 states to 306 states and 401 transitions. [2022-11-20 09:38:09,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2022-11-20 09:38:09,152 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-11-20 09:38:09,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 306 states and 401 transitions. [2022-11-20 09:38:09,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:38:09,152 INFO L218 hiAutomatonCegarLoop]: Abstraction has 306 states and 401 transitions. [2022-11-20 09:38:09,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states and 401 transitions. [2022-11-20 09:38:09,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 182. [2022-11-20 09:38:09,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 182 states have (on average 1.2362637362637363) internal successors, (225), 181 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:38:09,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 225 transitions. [2022-11-20 09:38:09,157 INFO L240 hiAutomatonCegarLoop]: Abstraction has 182 states and 225 transitions. [2022-11-20 09:38:09,157 INFO L428 stractBuchiCegarLoop]: Abstraction has 182 states and 225 transitions. [2022-11-20 09:38:09,157 INFO L335 stractBuchiCegarLoop]: ======== Iteration 35 ============ [2022-11-20 09:38:09,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 182 states and 225 transitions. [2022-11-20 09:38:09,158 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:38:09,158 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:38:09,158 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:38:09,159 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [13, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:38:09,159 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:38:09,160 INFO L748 eck$LassoCheckResult]: Stem: 29763#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 29764#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 29771#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 29777#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 29772#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 29773#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29774#L521 assume !(main_~val~0#1 < 0); 29824#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29769#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29770#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29775#L521 assume !(main_~val~0#1 < 0); 29767#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29768#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29823#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29822#L521 assume !(main_~val~0#1 < 0); 29821#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29820#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29819#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29818#L521 assume !(main_~val~0#1 < 0); 29817#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29816#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29815#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29814#L521 assume !(main_~val~0#1 < 0); 29813#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29812#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29811#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29810#L521 assume !(main_~val~0#1 < 0); 29809#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29808#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29807#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29806#L521 assume !(main_~val~0#1 < 0); 29805#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29804#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29803#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29802#L521 assume !(main_~val~0#1 < 0); 29801#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29800#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29799#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29798#L521 assume !(main_~val~0#1 < 0); 29797#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29796#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29795#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29794#L521 assume !(main_~val~0#1 < 0); 29793#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29792#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29791#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29790#L521 assume !(main_~val~0#1 < 0); 29789#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29788#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29786#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 29787#L521 assume !(main_~val~0#1 < 0); 29783#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 29784#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 29779#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 29778#L519-4 main_~j~0#1 := 0; 29765#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29766#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29937#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29757#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29758#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29762#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29776#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29936#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29935#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29933#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29932#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29931#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29930#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29928#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29927#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29926#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29925#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29923#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29922#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29921#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29920#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29918#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29917#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29916#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29915#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29913#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29912#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29911#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29910#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29908#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29907#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29906#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29905#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29903#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29902#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29901#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29900#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29898#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29897#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29896#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29895#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29892#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29891#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29890#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29834#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29830#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29829#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 29827#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 29828#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 29760#L527-3 [2022-11-20 09:38:09,160 INFO L750 eck$LassoCheckResult]: Loop: 29760#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 29759#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 29760#L527-3 [2022-11-20 09:38:09,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:38:09,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1420782149, now seen corresponding path program 32 times [2022-11-20 09:38:09,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:38:09,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616146932] [2022-11-20 09:38:09,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:38:09,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:38:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:38:09,855 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 231 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:38:09,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:38:09,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616146932] [2022-11-20 09:38:09,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616146932] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:38:09,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687704428] [2022-11-20 09:38:09,856 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:38:09,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:38:09,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:38:09,857 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:38:09,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (336)] Waiting until timeout for monitored process [2022-11-20 09:38:10,079 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 09:38:10,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:38:10,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-20 09:38:10,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:38:10,682 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 276 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:38:10,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:38:11,146 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 276 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:38:11,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687704428] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:38:11,147 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:38:11,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 43 [2022-11-20 09:38:11,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041414310] [2022-11-20 09:38:11,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:38:11,148 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:38:11,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:38:11,148 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 32 times [2022-11-20 09:38:11,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:38:11,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121371602] [2022-11-20 09:38:11,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:38:11,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:38:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:38:11,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:38:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:38:11,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:38:11,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:38:11,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-11-20 09:38:11,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=439, Invalid=1453, Unknown=0, NotChecked=0, Total=1892 [2022-11-20 09:38:11,210 INFO L87 Difference]: Start difference. First operand 182 states and 225 transitions. cyclomatic complexity: 69 Second operand has 44 states, 43 states have (on average 3.813953488372093) internal successors, (164), 44 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:38:11,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:38:11,762 INFO L93 Difference]: Finished difference Result 244 states and 298 transitions. [2022-11-20 09:38:11,762 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 244 states and 298 transitions. [2022-11-20 09:38:11,763 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:38:11,764 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 244 states to 182 states and 224 transitions. [2022-11-20 09:38:11,764 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-20 09:38:11,764 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 09:38:11,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 182 states and 224 transitions. [2022-11-20 09:38:11,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:38:11,765 INFO L218 hiAutomatonCegarLoop]: Abstraction has 182 states and 224 transitions. [2022-11-20 09:38:11,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states and 224 transitions. [2022-11-20 09:38:11,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-11-20 09:38:11,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 182 states have (on average 1.2307692307692308) internal successors, (224), 181 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:38:11,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 224 transitions. [2022-11-20 09:38:11,768 INFO L240 hiAutomatonCegarLoop]: Abstraction has 182 states and 224 transitions. [2022-11-20 09:38:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-20 09:38:11,769 INFO L428 stractBuchiCegarLoop]: Abstraction has 182 states and 224 transitions. [2022-11-20 09:38:11,769 INFO L335 stractBuchiCegarLoop]: ======== Iteration 36 ============ [2022-11-20 09:38:11,769 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 182 states and 224 transitions. [2022-11-20 09:38:11,770 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:38:11,770 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:38:11,770 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:38:11,771 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [14, 14, 14, 14, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:38:11,771 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:38:11,771 INFO L748 eck$LassoCheckResult]: Stem: 30882#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 30883#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 30889#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 30896#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 30890#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 30891#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30892#L521 assume !(main_~val~0#1 < 0); 30950#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30949#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30893#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30894#L521 assume !(main_~val~0#1 < 0); 30886#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30887#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30888#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30948#L521 assume !(main_~val~0#1 < 0); 30947#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30946#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30945#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30944#L521 assume !(main_~val~0#1 < 0); 30943#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30942#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30941#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30940#L521 assume !(main_~val~0#1 < 0); 30939#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30938#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30937#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30936#L521 assume !(main_~val~0#1 < 0); 30935#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30934#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30933#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30932#L521 assume !(main_~val~0#1 < 0); 30931#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30930#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30929#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30928#L521 assume !(main_~val~0#1 < 0); 30927#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30926#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30925#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30924#L521 assume !(main_~val~0#1 < 0); 30923#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30922#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30921#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30920#L521 assume !(main_~val~0#1 < 0); 30919#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30918#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30917#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30916#L521 assume !(main_~val~0#1 < 0); 30915#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30914#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30913#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30912#L521 assume !(main_~val~0#1 < 0); 30911#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30910#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30909#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30908#L521 assume !(main_~val~0#1 < 0); 30907#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 30904#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 30900#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 30901#L521 assume !(main_~val~0#1 < 0); 31010#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 31009#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 31008#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 31007#L519-4 main_~j~0#1 := 0; 31006#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 31004#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 31003#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 31002#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 31001#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30999#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30998#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30997#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30996#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30994#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30993#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30992#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30991#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30989#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30988#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30987#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30986#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30984#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30983#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30982#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30981#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30979#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30978#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30977#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30976#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30974#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30973#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30972#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30971#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30969#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30968#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30967#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30966#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30964#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30963#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30961#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30959#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30951#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30905#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 30906#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 30898#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 30879#L527-3 [2022-11-20 09:38:11,771 INFO L750 eck$LassoCheckResult]: Loop: 30879#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 30878#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 30879#L527-3 [2022-11-20 09:38:11,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:38:11,772 INFO L85 PathProgramCache]: Analyzing trace with hash -30873085, now seen corresponding path program 33 times [2022-11-20 09:38:11,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:38:11,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939125053] [2022-11-20 09:38:11,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:38:11,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:38:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:38:11,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:38:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:38:11,858 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:38:11,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:38:11,859 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 33 times [2022-11-20 09:38:11,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:38:11,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737615005] [2022-11-20 09:38:11,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:38:11,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:38:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:38:11,864 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:38:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:38:11,867 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:38:11,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:38:11,868 INFO L85 PathProgramCache]: Analyzing trace with hash 395737928, now seen corresponding path program 20 times [2022-11-20 09:38:11,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:38:11,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385634971] [2022-11-20 09:38:11,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:38:11,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:38:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:38:11,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:38:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:38:11,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:38:56,559 WARN L233 SmtUtils]: Spent 44.54s on a formula simplification. DAG size of input: 466 DAG size of output: 353 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:38:58,531 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:38:58,531 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:38:58,531 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:38:58,531 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:38:58,531 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:38:58,531 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:38:58,532 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:38:58,532 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:38:58,532 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration36_Lasso [2022-11-20 09:38:58,532 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:38:58,532 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:38:58,535 INFO 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 09:38:58,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:38:58,540 INFO 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 09:39:01,801 INFO 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 09:39:01,802 INFO 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 09:39:01,804 INFO 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 09:39:01,806 INFO 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 09:39:01,808 INFO 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 09:39:01,809 INFO 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 09:39:01,812 INFO 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 09:39:01,813 INFO 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 09:39:01,816 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 09:39:01,818 INFO 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 09:39:01,820 INFO 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 09:39:02,591 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:39:02,592 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:39:02,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:02,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:02,601 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:02,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:39:02,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Waiting until timeout for monitored process [2022-11-20 09:39:02,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:02,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:02,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:02,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:02,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:02,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:02,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:02,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Forceful destruction successful, exit code 0 [2022-11-20 09:39:02,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:02,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:02,643 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:02,647 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 09:39:02,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Waiting until timeout for monitored process [2022-11-20 09:39:02,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:02,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:02,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:02,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:02,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:02,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:02,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:02,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Forceful destruction successful, exit code 0 [2022-11-20 09:39:02,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:02,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:02,683 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:02,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:39:02,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Waiting until timeout for monitored process [2022-11-20 09:39:02,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:02,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:02,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:02,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:02,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:02,708 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:02,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:02,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Forceful destruction successful, exit code 0 [2022-11-20 09:39:02,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:02,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:02,732 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:02,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:39:02,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:02,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:02,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:02,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:02,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Waiting until timeout for monitored process [2022-11-20 09:39:02,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:02,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:02,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:02,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Forceful destruction successful, exit code 0 [2022-11-20 09:39:02,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:02,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:02,776 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:02,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:39:02,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Waiting until timeout for monitored process [2022-11-20 09:39:02,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:02,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:02,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:02,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:02,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:02,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:02,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:02,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Forceful destruction successful, exit code 0 [2022-11-20 09:39:02,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:02,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:02,823 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:02,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:39:02,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Waiting until timeout for monitored process [2022-11-20 09:39:02,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:02,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:02,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:02,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:02,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:02,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:02,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:02,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Forceful destruction successful, exit code 0 [2022-11-20 09:39:02,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:02,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:02,872 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:02,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:39:02,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Waiting until timeout for monitored process [2022-11-20 09:39:02,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:02,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:02,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:02,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:02,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:02,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:02,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:02,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Forceful destruction successful, exit code 0 [2022-11-20 09:39:02,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:02,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:02,924 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:02,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:39:02,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Waiting until timeout for monitored process [2022-11-20 09:39:02,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:02,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:02,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:02,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:02,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:02,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:02,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:02,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Forceful destruction successful, exit code 0 [2022-11-20 09:39:02,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:02,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:02,971 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:02,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Waiting until timeout for monitored process [2022-11-20 09:39:02,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:39:03,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:03,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:03,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:03,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:03,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:03,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:03,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:03,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Forceful destruction successful, exit code 0 [2022-11-20 09:39:03,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:03,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:03,022 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:03,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Waiting until timeout for monitored process [2022-11-20 09:39:03,025 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 09:39:03,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:03,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:03,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:03,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:03,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:03,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:03,048 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:39:03,057 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-20 09:39:03,057 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-20 09:39:03,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:03,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:03,058 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:03,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (347)] Waiting until timeout for monitored process [2022-11-20 09:39:03,061 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:39:03,073 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:39:03,073 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:39:03,073 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 40 ULTIMATE.start_main_~arr~0#1.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 40 ULTIMATE.start_main_~arr~0#1.offset))_2 Supporting invariants [] [2022-11-20 09:39:03,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Forceful destruction successful, exit code 0 [2022-11-20 09:39:03,182 INFO L156 tatePredicateManager]: 26 out of 27 supporting invariants were superfluous and have been removed [2022-11-20 09:39:03,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:39:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:39:03,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-20 09:39:03,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:39:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:39:03,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:39:03,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:39:03,618 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 09:39:03,619 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2022-11-20 09:39:03,619 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68 Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:03,651 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 184 states and 228 transitions. Complement of second has 4 states. [2022-11-20 09:39:03,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:39:03,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:03,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:39:03,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 104 letters. Loop has 2 letters. [2022-11-20 09:39:03,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:39:03,652 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:39:03,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:39:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:39:03,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-20 09:39:03,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:39:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:39:04,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:39:04,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:39:04,209 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 09:39:04,209 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.12 stem predicates 2 loop predicates [2022-11-20 09:39:04,209 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68 Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:04,244 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 184 states and 228 transitions. Complement of second has 4 states. [2022-11-20 09:39:04,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:39:04,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:04,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:39:04,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 104 letters. Loop has 2 letters. [2022-11-20 09:39:04,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:39:04,246 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:39:04,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:39:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:39:04,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-20 09:39:04,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:39:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:39:04,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:39:04,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:39:04,746 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 09:39:04,747 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2022-11-20 09:39:04,747 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68 Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:04,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (347)] Forceful destruction successful, exit code 0 [2022-11-20 09:39:05,115 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 182 states and 224 transitions. cyclomatic complexity: 68. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 214 states and 279 transitions. Complement of second has 28 states. [2022-11-20 09:39:05,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 12 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:39:05,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:05,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 87 transitions. [2022-11-20 09:39:05,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 87 transitions. Stem has 104 letters. Loop has 2 letters. [2022-11-20 09:39:05,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:39:05,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 87 transitions. Stem has 106 letters. Loop has 2 letters. [2022-11-20 09:39:05,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:39:05,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 87 transitions. Stem has 104 letters. Loop has 4 letters. [2022-11-20 09:39:05,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:39:05,117 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 214 states and 279 transitions. [2022-11-20 09:39:05,119 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:39:05,120 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 214 states to 207 states and 269 transitions. [2022-11-20 09:39:05,120 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-20 09:39:05,121 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-20 09:39:05,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 269 transitions. [2022-11-20 09:39:05,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:39:05,121 INFO L218 hiAutomatonCegarLoop]: Abstraction has 207 states and 269 transitions. [2022-11-20 09:39:05,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 269 transitions. [2022-11-20 09:39:05,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 124. [2022-11-20 09:39:05,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.2258064516129032) internal successors, (152), 123 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:05,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 152 transitions. [2022-11-20 09:39:05,124 INFO L240 hiAutomatonCegarLoop]: Abstraction has 124 states and 152 transitions. [2022-11-20 09:39:05,124 INFO L428 stractBuchiCegarLoop]: Abstraction has 124 states and 152 transitions. [2022-11-20 09:39:05,125 INFO L335 stractBuchiCegarLoop]: ======== Iteration 37 ============ [2022-11-20 09:39:05,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 152 transitions. [2022-11-20 09:39:05,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:39:05,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:39:05,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:39:05,127 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [13, 13, 13, 13, 13, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:39:05,127 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:39:05,127 INFO L748 eck$LassoCheckResult]: Stem: 32813#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 32814#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 32822#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 32829#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 32823#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 32824#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32825#L521 assume !(main_~val~0#1 < 0); 32818#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32819#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32826#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32827#L521 assume !(main_~val~0#1 < 0); 32880#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32820#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32821#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32879#L521 assume !(main_~val~0#1 < 0); 32878#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32877#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32876#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32875#L521 assume !(main_~val~0#1 < 0); 32874#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32873#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32872#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32871#L521 assume !(main_~val~0#1 < 0); 32870#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32869#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32868#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32867#L521 assume !(main_~val~0#1 < 0); 32866#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32865#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32864#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32863#L521 assume !(main_~val~0#1 < 0); 32862#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32861#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32860#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32859#L521 assume !(main_~val~0#1 < 0); 32858#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32857#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32856#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32855#L521 assume !(main_~val~0#1 < 0); 32854#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32853#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32852#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32851#L521 assume !(main_~val~0#1 < 0); 32850#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32849#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32848#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32847#L521 assume !(main_~val~0#1 < 0); 32846#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32845#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32844#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32843#L521 assume !(main_~val~0#1 < 0); 32842#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32841#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32840#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 32832#L521 assume !(main_~val~0#1 < 0); 32839#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 32837#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 32831#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 32830#L519-4 main_~j~0#1 := 0; 32815#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32816#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32929#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32928#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32817#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32812#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32828#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32807#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32808#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32926#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32925#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32924#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32923#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32921#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32920#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32919#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32918#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32916#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32915#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32914#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32913#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32911#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32910#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32909#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32908#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32906#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32905#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32904#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32903#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32901#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32900#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32899#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32898#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32896#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32895#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32894#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32893#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32891#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32890#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32889#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32888#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32886#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32885#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32884#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32883#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32882#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32836#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 32835#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 32833#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 32810#L527-3 [2022-11-20 09:39:05,127 INFO L750 eck$LassoCheckResult]: Loop: 32810#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 32809#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 32810#L527-3 [2022-11-20 09:39:05,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:39:05,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1943554124, now seen corresponding path program 34 times [2022-11-20 09:39:05,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:39:05,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18765215] [2022-11-20 09:39:05,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:39:05,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:39:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:39:05,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:39:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:39:05,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:39:05,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:39:05,219 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 34 times [2022-11-20 09:39:05,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:39:05,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191293248] [2022-11-20 09:39:05,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:39:05,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:39:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:39:05,224 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:39:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:39:05,228 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:39:05,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:39:05,229 INFO L85 PathProgramCache]: Analyzing trace with hash 555262137, now seen corresponding path program 21 times [2022-11-20 09:39:05,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:39:05,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694825175] [2022-11-20 09:39:05,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:39:05,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:39:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:39:05,282 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:39:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:39:05,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:39:33,492 WARN L233 SmtUtils]: Spent 28.11s on a formula simplification. DAG size of input: 475 DAG size of output: 361 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:39:35,627 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:39:35,627 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:39:35,628 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:39:35,628 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:39:35,628 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:39:35,628 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:35,628 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:39:35,628 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:39:35,628 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration37_Lasso [2022-11-20 09:39:35,628 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:39:35,628 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:39:35,631 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:39:35,633 INFO 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 09:39:35,635 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:39:35,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:39:35,639 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:39:35,641 INFO 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 09:39:35,643 INFO 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 09:39:35,645 INFO 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 09:39:35,647 INFO 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 09:39:35,649 INFO 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 09:39:35,651 INFO 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 09:39:35,653 INFO 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 09:39:35,656 INFO 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 09:39:35,657 INFO 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 09:39:40,465 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:39:40,465 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:39:40,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,466 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (348)] Waiting until timeout for monitored process [2022-11-20 09:39:40,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:39:40,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:40,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:39:40,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:40,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:40,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:40,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:39:40,480 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:39:40,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:40,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (348)] Forceful destruction successful, exit code 0 [2022-11-20 09:39:40,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,485 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (349)] Waiting until timeout for monitored process [2022-11-20 09:39:40,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:39:40,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:40,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:39:40,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:40,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:40,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:40,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:39:40,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:39:40,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:40,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (349)] Ended with exit code 0 [2022-11-20 09:39:40,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,503 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (350)] Waiting until timeout for monitored process [2022-11-20 09:39:40,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:39:40,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:40,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:40,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:40,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:40,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:40,517 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:40,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:40,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (350)] Ended with exit code 0 [2022-11-20 09:39:40,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,524 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (351)] Waiting until timeout for monitored process [2022-11-20 09:39:40,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:39:40,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:40,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:39:40,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:40,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:40,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:40,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:39:40,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:39:40,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:40,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (351)] Ended with exit code 0 [2022-11-20 09:39:40,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,543 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (352)] Waiting until timeout for monitored process [2022-11-20 09:39:40,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:39:40,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:40,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:39:40,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:40,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:40,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:40,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:39:40,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:39:40,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:40,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (352)] Ended with exit code 0 [2022-11-20 09:39:40,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,562 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (353)] Waiting until timeout for monitored process [2022-11-20 09:39:40,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:39:40,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:40,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:39:40,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:40,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:40,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:40,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:39:40,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:39:40,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:40,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (353)] Ended with exit code 0 [2022-11-20 09:39:40,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,581 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (354)] Waiting until timeout for monitored process [2022-11-20 09:39:40,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:39:40,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:40,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:40,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:40,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:40,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:40,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:40,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:40,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (354)] Ended with exit code 0 [2022-11-20 09:39:40,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,603 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (355)] Waiting until timeout for monitored process [2022-11-20 09:39:40,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:39:40,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:40,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:39:40,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:40,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:40,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:40,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:39:40,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:39:40,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:40,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (355)] Ended with exit code 0 [2022-11-20 09:39:40,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,621 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (356)] Waiting until timeout for monitored process [2022-11-20 09:39:40,624 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 09:39:40,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:40,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:39:40,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:40,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:40,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:40,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:39:40,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:39:40,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:40,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (356)] Ended with exit code 0 [2022-11-20 09:39:40,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,640 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (357)] Waiting until timeout for monitored process [2022-11-20 09:39:40,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:39:40,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:40,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:40,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:40,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:40,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:40,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:40,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:40,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (357)] Ended with exit code 0 [2022-11-20 09:39:40,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,662 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (358)] Waiting until timeout for monitored process [2022-11-20 09:39:40,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:39:40,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:40,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:40,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:40,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:40,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:40,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:40,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:40,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (358)] Ended with exit code 0 [2022-11-20 09:39:40,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,684 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (359)] Waiting until timeout for monitored process [2022-11-20 09:39:40,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:39:40,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:40,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:40,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:40,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:40,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:40,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:40,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:40,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (359)] Ended with exit code 0 [2022-11-20 09:39:40,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,706 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (360)] Waiting until timeout for monitored process [2022-11-20 09:39:40,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:39:40,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:40,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:39:40,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:40,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:40,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:40,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:39:40,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:39:40,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:40,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (360)] Ended with exit code 0 [2022-11-20 09:39:40,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,724 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (361)] Waiting until timeout for monitored process [2022-11-20 09:39:40,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:39:40,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:40,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:40,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:40,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:40,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:40,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:40,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:40,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (361)] Ended with exit code 0 [2022-11-20 09:39:40,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,765 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (362)] Waiting until timeout for monitored process [2022-11-20 09:39:40,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:39:40,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:40,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:40,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:40,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:40,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:40,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:40,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:40,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (362)] Ended with exit code 0 [2022-11-20 09:39:40,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,792 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (363)] Waiting until timeout for monitored process [2022-11-20 09:39:40,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:39:40,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:40,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:40,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:40,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:40,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:40,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:40,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:40,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (363)] Forceful destruction successful, exit code 0 [2022-11-20 09:39:40,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,819 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (364)] Waiting until timeout for monitored process [2022-11-20 09:39:40,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:39:40,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:40,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:40,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:40,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:40,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:40,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:40,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:40,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (364)] Ended with exit code 0 [2022-11-20 09:39:40,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,846 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (365)] Waiting until timeout for monitored process [2022-11-20 09:39:40,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:39:40,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:40,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:40,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:40,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:40,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:40,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:40,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:39:40,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (365)] Ended with exit code 0 [2022-11-20 09:39:40,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,874 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (366)] Waiting until timeout for monitored process [2022-11-20 09:39:40,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:39:40,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:39:40,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:39:40,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:39:40,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:39:40,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:39:40,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:39:40,900 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:39:40,914 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-20 09:39:40,914 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 09:39:40,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:39:40,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:40,915 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:39:40,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (367)] Waiting until timeout for monitored process [2022-11-20 09:39:40,918 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:39:40,929 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:39:40,929 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:39:40,929 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 48))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 48))_2 Supporting invariants [] [2022-11-20 09:39:40,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (366)] Ended with exit code 0 [2022-11-20 09:39:41,039 INFO L156 tatePredicateManager]: 26 out of 27 supporting invariants were superfluous and have been removed [2022-11-20 09:39:41,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:39:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:39:41,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-20 09:39:41,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:39:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:39:41,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:39:41,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:39:41,537 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 09:39:41,537 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-20 09:39:41,538 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43 Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:41,572 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43. Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 125 states and 154 transitions. Complement of second has 4 states. [2022-11-20 09:39:41,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:39:41,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:41,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:39:41,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 108 letters. Loop has 2 letters. [2022-11-20 09:39:41,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:39:41,573 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:39:41,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:39:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:39:41,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-20 09:39:41,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:39:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:39:42,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:39:42,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:39:42,074 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 09:39:42,074 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-20 09:39:42,074 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43 Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:42,112 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43. Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 125 states and 154 transitions. Complement of second has 4 states. [2022-11-20 09:39:42,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:39:42,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:42,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:39:42,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 108 letters. Loop has 2 letters. [2022-11-20 09:39:42,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:39:42,113 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:39:42,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:39:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:39:42,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-20 09:39:42,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:39:42,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (367)] Ended with exit code 0 [2022-11-20 09:39:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:39:42,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:39:42,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:39:42,635 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 09:39:42,636 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.14 stem predicates 2 loop predicates [2022-11-20 09:39:42,636 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43 Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:43,071 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 124 states and 152 transitions. cyclomatic complexity: 43. Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 150 states and 193 transitions. Complement of second has 32 states. [2022-11-20 09:39:43,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 14 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:39:43,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:43,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 99 transitions. [2022-11-20 09:39:43,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 99 transitions. Stem has 108 letters. Loop has 2 letters. [2022-11-20 09:39:43,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:39:43,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 99 transitions. Stem has 110 letters. Loop has 2 letters. [2022-11-20 09:39:43,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:39:43,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 99 transitions. Stem has 108 letters. Loop has 4 letters. [2022-11-20 09:39:43,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:39:43,072 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 193 transitions. [2022-11-20 09:39:43,073 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:39:43,074 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 145 states and 186 transitions. [2022-11-20 09:39:43,074 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 09:39:43,074 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 09:39:43,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 186 transitions. [2022-11-20 09:39:43,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:39:43,075 INFO L218 hiAutomatonCegarLoop]: Abstraction has 145 states and 186 transitions. [2022-11-20 09:39:43,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 186 transitions. [2022-11-20 09:39:43,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 129. [2022-11-20 09:39:43,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 129 states have (on average 1.2248062015503876) internal successors, (158), 128 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:43,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 158 transitions. [2022-11-20 09:39:43,078 INFO L240 hiAutomatonCegarLoop]: Abstraction has 129 states and 158 transitions. [2022-11-20 09:39:43,078 INFO L428 stractBuchiCegarLoop]: Abstraction has 129 states and 158 transitions. [2022-11-20 09:39:43,078 INFO L335 stractBuchiCegarLoop]: ======== Iteration 38 ============ [2022-11-20 09:39:43,078 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 129 states and 158 transitions. [2022-11-20 09:39:43,079 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:39:43,079 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:39:43,079 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:39:43,080 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [14, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:39:43,080 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:39:43,081 INFO L748 eck$LassoCheckResult]: Stem: 34548#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 34549#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 34561#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 34568#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 34562#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 34563#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34564#L521 assume !(main_~val~0#1 < 0); 34566#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34559#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34560#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34565#L521 assume !(main_~val~0#1 < 0); 34557#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34558#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34614#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34613#L521 assume !(main_~val~0#1 < 0); 34612#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34611#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34610#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34609#L521 assume !(main_~val~0#1 < 0); 34608#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34607#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34606#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34605#L521 assume !(main_~val~0#1 < 0); 34604#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34603#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34602#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34601#L521 assume !(main_~val~0#1 < 0); 34600#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34599#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34598#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34597#L521 assume !(main_~val~0#1 < 0); 34596#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34595#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34594#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34593#L521 assume !(main_~val~0#1 < 0); 34592#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34591#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34590#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34589#L521 assume !(main_~val~0#1 < 0); 34588#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34587#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34586#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34585#L521 assume !(main_~val~0#1 < 0); 34584#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34583#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34582#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34581#L521 assume !(main_~val~0#1 < 0); 34580#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34579#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34578#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34577#L521 assume !(main_~val~0#1 < 0); 34576#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34575#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34574#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 34571#L521 assume !(main_~val~0#1 < 0); 34573#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 34572#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 34570#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 34569#L519-4 main_~j~0#1 := 0; 34554#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34555#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34673#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34672#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34556#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34553#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34567#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34546#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34547#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34670#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34669#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34668#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34667#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34665#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34664#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34663#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34662#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34660#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34659#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34658#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34657#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34655#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34654#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34653#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34652#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34650#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34649#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34648#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34647#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34645#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34644#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34643#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34642#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34640#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34639#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34638#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34637#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34635#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34634#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34633#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34632#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34630#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34629#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34628#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34627#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34625#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34624#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34623#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34622#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34621#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34618#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 34617#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 34615#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 34551#L527-3 [2022-11-20 09:39:43,081 INFO L750 eck$LassoCheckResult]: Loop: 34551#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 34550#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 34551#L527-3 [2022-11-20 09:39:43,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:39:43,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1030968841, now seen corresponding path program 35 times [2022-11-20 09:39:43,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:39:43,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928377544] [2022-11-20 09:39:43,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:39:43,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:39:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:39:43,859 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 276 proven. 374 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:39:43,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:39:43,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928377544] [2022-11-20 09:39:43,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928377544] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:39:43,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327962865] [2022-11-20 09:39:43,859 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-20 09:39:43,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:39:43,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:39:43,863 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:39:43,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (368)] Waiting until timeout for monitored process [2022-11-20 09:39:44,334 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2022-11-20 09:39:44,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:39:44,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-20 09:39:44,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:39:44,993 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 325 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:39:44,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:39:45,512 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 325 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:39:45,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327962865] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:39:45,512 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:39:45,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 46 [2022-11-20 09:39:45,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556958433] [2022-11-20 09:39:45,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:39:45,513 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:39:45,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:39:45,514 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 35 times [2022-11-20 09:39:45,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:39:45,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026877130] [2022-11-20 09:39:45,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:39:45,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:39:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:39:45,525 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:39:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:39:45,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:39:45,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:39:45,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-11-20 09:39:45,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=500, Invalid=1662, Unknown=0, NotChecked=0, Total=2162 [2022-11-20 09:39:45,570 INFO L87 Difference]: Start difference. First operand 129 states and 158 transitions. cyclomatic complexity: 45 Second operand has 47 states, 46 states have (on average 3.8260869565217392) internal successors, (176), 47 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:46,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:39:46,287 INFO L93 Difference]: Finished difference Result 203 states and 247 transitions. [2022-11-20 09:39:46,287 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 203 states and 247 transitions. [2022-11-20 09:39:46,288 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:39:46,288 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 203 states to 136 states and 167 transitions. [2022-11-20 09:39:46,289 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 09:39:46,289 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 09:39:46,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 167 transitions. [2022-11-20 09:39:46,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:39:46,289 INFO L218 hiAutomatonCegarLoop]: Abstraction has 136 states and 167 transitions. [2022-11-20 09:39:46,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 167 transitions. [2022-11-20 09:39:46,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133. [2022-11-20 09:39:46,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 133 states have (on average 1.2255639097744362) internal successors, (163), 132 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:39:46,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 163 transitions. [2022-11-20 09:39:46,292 INFO L240 hiAutomatonCegarLoop]: Abstraction has 133 states and 163 transitions. [2022-11-20 09:39:46,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-20 09:39:46,293 INFO L428 stractBuchiCegarLoop]: Abstraction has 133 states and 163 transitions. [2022-11-20 09:39:46,293 INFO L335 stractBuchiCegarLoop]: ======== Iteration 39 ============ [2022-11-20 09:39:46,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 133 states and 163 transitions. [2022-11-20 09:39:46,293 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:39:46,294 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:39:46,294 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:39:46,295 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [14, 14, 14, 14, 14, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:39:46,295 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:39:46,295 INFO L748 eck$LassoCheckResult]: Stem: 35630#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 35631#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 35637#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 35643#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 35638#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 35639#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35640#L521 assume !(main_~val~0#1 < 0); 35634#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35635#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35636#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35641#L521 assume !(main_~val~0#1 < 0); 35756#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35755#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35754#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35753#L521 assume !(main_~val~0#1 < 0); 35752#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35751#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35750#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35749#L521 assume !(main_~val~0#1 < 0); 35748#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35747#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35746#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35745#L521 assume !(main_~val~0#1 < 0); 35744#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35743#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35742#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35741#L521 assume !(main_~val~0#1 < 0); 35740#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35739#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35738#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35737#L521 assume !(main_~val~0#1 < 0); 35736#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35735#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35734#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35733#L521 assume !(main_~val~0#1 < 0); 35732#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35731#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35730#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35729#L521 assume !(main_~val~0#1 < 0); 35728#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35727#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35726#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35725#L521 assume !(main_~val~0#1 < 0); 35724#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35723#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35722#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35721#L521 assume !(main_~val~0#1 < 0); 35720#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35719#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35718#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35717#L521 assume !(main_~val~0#1 < 0); 35716#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35715#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35714#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35713#L521 assume !(main_~val~0#1 < 0); 35712#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35711#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35710#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 35646#L521 assume !(main_~val~0#1 < 0); 35652#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 35649#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 35645#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 35644#L519-4 main_~j~0#1 := 0; 35632#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35629#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35642#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35624#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35625#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35633#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35708#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35707#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35706#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35704#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35703#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35702#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35701#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35699#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35698#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35697#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35696#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35694#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35693#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35692#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35691#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35689#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35688#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35687#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35686#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35684#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35683#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35682#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35681#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35679#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35678#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35677#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35676#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35674#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35673#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35672#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35671#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35669#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35668#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35667#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35666#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35664#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35663#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35662#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35661#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35659#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35658#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35657#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35656#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35655#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35651#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 35650#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 35647#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 35627#L527-3 [2022-11-20 09:39:46,296 INFO L750 eck$LassoCheckResult]: Loop: 35627#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 35626#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 35627#L527-3 [2022-11-20 09:39:46,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:39:46,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1613328130, now seen corresponding path program 36 times [2022-11-20 09:39:46,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:39:46,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881416549] [2022-11-20 09:39:46,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:39:46,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:39:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:39:46,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:39:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:39:46,399 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:39:46,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:39:46,400 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 36 times [2022-11-20 09:39:46,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:39:46,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975973385] [2022-11-20 09:39:46,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:39:46,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:39:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:39:46,406 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:39:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:39:46,409 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:39:46,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:39:46,410 INFO L85 PathProgramCache]: Analyzing trace with hash -74859385, now seen corresponding path program 22 times [2022-11-20 09:39:46,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:39:46,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451303079] [2022-11-20 09:39:46,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:39:46,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:39:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:39:46,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:39:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:39:46,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:40:27,867 WARN L233 SmtUtils]: Spent 41.30s on a formula simplification. DAG size of input: 508 DAG size of output: 386 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:40:29,732 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:40:29,732 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:40:29,732 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:40:29,732 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:40:29,732 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:40:29,732 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:40:29,732 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:40:29,732 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:40:29,732 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration39_Lasso [2022-11-20 09:40:29,733 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:40:29,733 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:40:29,736 INFO 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 09:40:29,738 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:40:29,740 INFO 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 09:40:29,743 INFO 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 09:40:29,745 INFO 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 09:40:33,166 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:40:33,168 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:40:33,170 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:40:33,171 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 09:40:33,174 INFO 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 09:40:33,176 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:40:33,177 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:40:33,179 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:40:33,181 INFO 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 09:40:33,956 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:40:33,957 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:40:33,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:40:33,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:40:33,958 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:40:33,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:40:33,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (369)] Waiting until timeout for monitored process [2022-11-20 09:40:33,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:40:33,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:40:33,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:40:33,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:40:33,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:40:33,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:40:33,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:40:33,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:40:33,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (369)] Forceful destruction successful, exit code 0 [2022-11-20 09:40:33,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:40:33,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:40:33,982 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:40:33,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (370)] Waiting until timeout for monitored process [2022-11-20 09:40:33,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:40:33,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:40:33,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:40:33,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:40:33,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:40:33,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:40:33,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:40:34,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:40:34,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (370)] Ended with exit code 0 [2022-11-20 09:40:34,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:40:34,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:40:34,004 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:40:34,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (371)] Waiting until timeout for monitored process [2022-11-20 09:40:34,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:40:34,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:40:34,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:40:34,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:40:34,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:40:34,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:40:34,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:40:34,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:40:34,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (371)] Ended with exit code 0 [2022-11-20 09:40:34,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:40:34,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:40:34,026 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:40:34,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (372)] Waiting until timeout for monitored process [2022-11-20 09:40:34,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:40:34,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:40:34,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:40:34,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:40:34,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:40:34,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:40:34,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:40:34,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:40:34,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (372)] Ended with exit code 0 [2022-11-20 09:40:34,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:40:34,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:40:34,049 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:40:34,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (373)] Waiting until timeout for monitored process [2022-11-20 09:40:34,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:40:34,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:40:34,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:40:34,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:40:34,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:40:34,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:40:34,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:40:34,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:40:34,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (373)] Ended with exit code 0 [2022-11-20 09:40:34,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:40:34,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:40:34,072 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:40:34,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (374)] Waiting until timeout for monitored process [2022-11-20 09:40:34,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:40:34,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:40:34,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:40:34,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:40:34,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:40:34,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:40:34,089 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:40:34,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:40:34,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (374)] Forceful destruction successful, exit code 0 [2022-11-20 09:40:34,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:40:34,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:40:34,099 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:40:34,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (375)] Waiting until timeout for monitored process [2022-11-20 09:40:34,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:40:34,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:40:34,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:40:34,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:40:34,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:40:34,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:40:34,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:40:34,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:40:34,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (375)] Ended with exit code 0 [2022-11-20 09:40:34,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:40:34,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:40:34,125 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:40:34,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (376)] Waiting until timeout for monitored process [2022-11-20 09:40:34,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:40:34,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:40:34,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:40:34,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:40:34,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:40:34,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:40:34,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:40:34,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:40:34,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (376)] Ended with exit code 0 [2022-11-20 09:40:34,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:40:34,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:40:34,148 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:40:34,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (377)] Waiting until timeout for monitored process [2022-11-20 09:40:34,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:40:34,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:40:34,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:40:34,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:40:34,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:40:34,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:40:34,165 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:40:34,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:40:34,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (377)] Ended with exit code 0 [2022-11-20 09:40:34,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:40:34,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:40:34,174 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:40:34,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (378)] Waiting until timeout for monitored process [2022-11-20 09:40:34,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:40:34,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:40:34,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:40:34,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:40:34,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:40:34,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:40:34,193 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:40:34,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:40:34,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (378)] Ended with exit code 0 [2022-11-20 09:40:34,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:40:34,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:40:34,209 INFO L229 MonitoredProcess]: Starting monitored process 379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:40:34,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (379)] Waiting until timeout for monitored process [2022-11-20 09:40:34,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:40:34,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:40:34,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:40:34,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:40:34,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:40:34,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:40:34,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:40:34,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:40:34,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (379)] Ended with exit code 0 [2022-11-20 09:40:34,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:40:34,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:40:34,237 INFO L229 MonitoredProcess]: Starting monitored process 380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:40:34,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (380)] Waiting until timeout for monitored process [2022-11-20 09:40:34,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:40:34,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:40:34,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:40:34,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:40:34,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:40:34,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:40:34,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:40:34,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:40:34,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (380)] Ended with exit code 0 [2022-11-20 09:40:34,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:40:34,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:40:34,261 INFO L229 MonitoredProcess]: Starting monitored process 381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:40:34,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (381)] Waiting until timeout for monitored process [2022-11-20 09:40:34,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:40:34,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:40:34,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:40:34,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:40:34,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:40:34,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:40:34,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:40:34,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:40:34,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (381)] Ended with exit code 0 [2022-11-20 09:40:34,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:40:34,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:40:34,287 INFO L229 MonitoredProcess]: Starting monitored process 382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:40:34,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:40:34,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (382)] Waiting until timeout for monitored process [2022-11-20 09:40:34,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:40:34,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:40:34,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:40:34,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:40:34,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:40:34,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:40:34,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:40:34,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (382)] Ended with exit code 0 [2022-11-20 09:40:34,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:40:34,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:40:34,322 INFO L229 MonitoredProcess]: Starting monitored process 383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:40:34,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (383)] Waiting until timeout for monitored process [2022-11-20 09:40:34,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:40:34,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:40:34,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:40:34,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:40:34,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:40:34,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:40:34,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:40:34,363 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:40:34,373 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-20 09:40:34,373 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 09:40:34,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:40:34,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:40:34,382 INFO L229 MonitoredProcess]: Starting monitored process 384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:40:34,387 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:40:34,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (384)] Waiting until timeout for monitored process [2022-11-20 09:40:34,412 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:40:34,412 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:40:34,412 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_13) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (- 4) (* ULTIMATE.start_main_~i~0#1 4)))_13 Supporting invariants [] [2022-11-20 09:40:34,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (383)] Forceful destruction successful, exit code 0 [2022-11-20 09:40:34,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (384)] Forceful destruction successful, exit code 0 [2022-11-20 09:40:34,669 INFO L156 tatePredicateManager]: 46 out of 47 supporting invariants were superfluous and have been removed [2022-11-20 09:40:34,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:40:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:40:34,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-20 09:40:34,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:40:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:40:35,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:40:35,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:40:35,912 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 09:40:35,912 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.30 stem predicates 2 loop predicates [2022-11-20 09:40:35,912 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46 Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:40:36,631 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46. Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 143 states and 177 transitions. Complement of second has 19 states. [2022-11-20 09:40:36,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 17 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:40:36,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:40:36,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 91 transitions. [2022-11-20 09:40:36,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 91 transitions. Stem has 116 letters. Loop has 2 letters. [2022-11-20 09:40:36,633 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:40:36,633 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:40:36,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:40:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:40:36,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-20 09:40:36,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:40:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:40:37,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:40:37,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:40:37,951 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 09:40:37,952 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.30 stem predicates 2 loop predicates [2022-11-20 09:40:37,952 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46 Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:40:38,497 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46. Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 143 states and 177 transitions. Complement of second has 19 states. [2022-11-20 09:40:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 17 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:40:38,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:40:38,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 91 transitions. [2022-11-20 09:40:38,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 91 transitions. Stem has 116 letters. Loop has 2 letters. [2022-11-20 09:40:38,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:40:38,499 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:40:38,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:40:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:40:38,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-20 09:40:38,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:40:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:40:39,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:40:39,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:40:39,802 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 09:40:39,803 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.30 stem predicates 2 loop predicates [2022-11-20 09:40:39,803 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46 Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:40:41,345 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 133 states and 163 transitions. cyclomatic complexity: 46. Second operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 254 states and 331 transitions. Complement of second has 50 states. [2022-11-20 09:40:41,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 34 states 30 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:40:41,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 3.6875) internal successors, (118), 32 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:40:41,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 188 transitions. [2022-11-20 09:40:41,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 188 transitions. Stem has 116 letters. Loop has 2 letters. [2022-11-20 09:40:41,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:40:41,347 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 188 transitions. Stem has 118 letters. Loop has 2 letters. [2022-11-20 09:40:41,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:40:41,347 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 34 states and 188 transitions. Stem has 116 letters. Loop has 4 letters. [2022-11-20 09:40:41,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:40:41,347 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 254 states and 331 transitions. [2022-11-20 09:40:41,349 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 09:40:41,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 254 states to 249 states and 324 transitions. [2022-11-20 09:40:41,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 09:40:41,350 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 09:40:41,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 249 states and 324 transitions. [2022-11-20 09:40:41,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:40:41,351 INFO L218 hiAutomatonCegarLoop]: Abstraction has 249 states and 324 transitions. [2022-11-20 09:40:41,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states and 324 transitions. [2022-11-20 09:40:41,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 144. [2022-11-20 09:40:41,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 144 states have (on average 1.2291666666666667) internal successors, (177), 143 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:40:41,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 177 transitions. [2022-11-20 09:40:41,354 INFO L240 hiAutomatonCegarLoop]: Abstraction has 144 states and 177 transitions. [2022-11-20 09:40:41,354 INFO L428 stractBuchiCegarLoop]: Abstraction has 144 states and 177 transitions. [2022-11-20 09:40:41,354 INFO L335 stractBuchiCegarLoop]: ======== Iteration 40 ============ [2022-11-20 09:40:41,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 144 states and 177 transitions. [2022-11-20 09:40:41,355 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:40:41,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:40:41,356 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:40:41,357 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:40:41,357 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:40:41,357 INFO L748 eck$LassoCheckResult]: Stem: 37811#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 37812#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 37822#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 37829#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 37823#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 37824#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37825#L521 assume !(main_~val~0#1 < 0); 37819#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37820#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37821#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37826#L521 assume !(main_~val~0#1 < 0); 37827#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37881#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37880#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37879#L521 assume !(main_~val~0#1 < 0); 37878#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37877#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37876#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37875#L521 assume !(main_~val~0#1 < 0); 37874#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37873#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37872#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37871#L521 assume !(main_~val~0#1 < 0); 37870#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37869#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37868#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37867#L521 assume !(main_~val~0#1 < 0); 37866#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37865#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37864#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37863#L521 assume !(main_~val~0#1 < 0); 37862#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37861#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37860#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37859#L521 assume !(main_~val~0#1 < 0); 37858#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37857#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37856#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37855#L521 assume !(main_~val~0#1 < 0); 37854#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37853#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37852#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37851#L521 assume !(main_~val~0#1 < 0); 37850#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37849#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37848#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37847#L521 assume !(main_~val~0#1 < 0); 37846#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37845#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37844#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37843#L521 assume !(main_~val~0#1 < 0); 37842#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37841#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37840#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37839#L521 assume !(main_~val~0#1 < 0); 37838#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37837#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37835#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 37836#L521 assume !(main_~val~0#1 < 0); 37952#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 37951#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 37950#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 37949#L519-4 main_~j~0#1 := 0; 37948#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37946#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37945#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37944#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37818#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37816#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37828#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37809#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37810#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37942#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37941#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37940#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37939#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37937#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37936#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37935#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37934#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37932#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37931#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37930#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37929#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37927#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37926#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37925#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37924#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37922#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37921#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37920#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37919#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37917#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37916#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37915#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37914#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37912#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37911#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37910#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37909#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37907#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37906#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37905#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37904#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37902#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37901#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37900#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37899#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37897#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37896#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37895#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37894#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37892#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37891#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37890#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37889#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37888#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37885#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 37884#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 37882#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 37814#L527-3 [2022-11-20 09:40:41,357 INFO L750 eck$LassoCheckResult]: Loop: 37814#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 37813#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 37814#L527-3 [2022-11-20 09:40:41,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:40:41,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1074574935, now seen corresponding path program 37 times [2022-11-20 09:40:41,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:40:41,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859435925] [2022-11-20 09:40:41,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:40:41,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:40:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:40:42,308 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 325 proven. 431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:40:42,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:40:42,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859435925] [2022-11-20 09:40:42,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859435925] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:40:42,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907619044] [2022-11-20 09:40:42,308 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-20 09:40:42,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:40:42,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:40:42,310 INFO L229 MonitoredProcess]: Starting monitored process 385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:40:42,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (385)] Waiting until timeout for monitored process [2022-11-20 09:40:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:40:42,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-20 09:40:42,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:40:43,452 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 378 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:40:43,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:40:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 378 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:40:44,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907619044] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:40:44,028 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:40:44,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 49 [2022-11-20 09:40:44,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345972918] [2022-11-20 09:40:44,028 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:40:44,029 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:40:44,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:40:44,029 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 37 times [2022-11-20 09:40:44,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:40:44,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577201671] [2022-11-20 09:40:44,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:40:44,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:40:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:40:44,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:40:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:40:44,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:40:44,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:40:44,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-11-20 09:40:44,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=565, Invalid=1885, Unknown=0, NotChecked=0, Total=2450 [2022-11-20 09:40:44,083 INFO L87 Difference]: Start difference. First operand 144 states and 177 transitions. cyclomatic complexity: 50 Second operand has 50 states, 49 states have (on average 3.836734693877551) internal successors, (188), 50 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:40:44,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:40:44,766 INFO L93 Difference]: Finished difference Result 212 states and 258 transitions. [2022-11-20 09:40:44,766 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 212 states and 258 transitions. [2022-11-20 09:40:44,767 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:40:44,768 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 212 states to 140 states and 172 transitions. [2022-11-20 09:40:44,768 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 09:40:44,768 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 09:40:44,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 172 transitions. [2022-11-20 09:40:44,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:40:44,769 INFO L218 hiAutomatonCegarLoop]: Abstraction has 140 states and 172 transitions. [2022-11-20 09:40:44,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 172 transitions. [2022-11-20 09:40:44,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-20 09:40:44,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 1.2262773722627738) internal successors, (168), 136 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:40:44,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 168 transitions. [2022-11-20 09:40:44,772 INFO L240 hiAutomatonCegarLoop]: Abstraction has 137 states and 168 transitions. [2022-11-20 09:40:44,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-20 09:40:44,772 INFO L428 stractBuchiCegarLoop]: Abstraction has 137 states and 168 transitions. [2022-11-20 09:40:44,772 INFO L335 stractBuchiCegarLoop]: ======== Iteration 41 ============ [2022-11-20 09:40:44,773 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 168 transitions. [2022-11-20 09:40:44,773 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:40:44,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:40:44,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:40:44,774 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 15, 15, 15, 14, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:40:44,774 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:40:44,775 INFO L748 eck$LassoCheckResult]: Stem: 38970#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 38971#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 38977#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 38983#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 38978#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 38979#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 38980#L521 assume !(main_~val~0#1 < 0); 38974#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 38975#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 38976#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 38981#L521 assume !(main_~val~0#1 < 0); 39100#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39099#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39098#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39097#L521 assume !(main_~val~0#1 < 0); 39096#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39095#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39094#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39093#L521 assume !(main_~val~0#1 < 0); 39092#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39091#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39090#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39089#L521 assume !(main_~val~0#1 < 0); 39088#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39087#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39086#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39085#L521 assume !(main_~val~0#1 < 0); 39084#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39083#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39082#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39081#L521 assume !(main_~val~0#1 < 0); 39080#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39079#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39078#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39077#L521 assume !(main_~val~0#1 < 0); 39076#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39075#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39074#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39073#L521 assume !(main_~val~0#1 < 0); 39072#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39071#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39070#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39069#L521 assume !(main_~val~0#1 < 0); 39068#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39067#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39066#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39065#L521 assume !(main_~val~0#1 < 0); 39064#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39063#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39062#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39061#L521 assume !(main_~val~0#1 < 0); 39060#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39059#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39058#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39057#L521 assume !(main_~val~0#1 < 0); 39056#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39055#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39054#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 39053#L521 assume !(main_~val~0#1 < 0); 39052#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 39051#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 39050#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 38986#L521 assume !(main_~val~0#1 < 0); 38992#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 38989#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 38985#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 38984#L519-4 main_~j~0#1 := 0; 38972#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 38969#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 38982#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 38964#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 38965#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 38973#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39048#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39047#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39046#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 39044#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39043#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39042#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39041#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 39039#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39038#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39037#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39036#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 39034#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39033#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39032#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39031#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 39029#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39028#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39027#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39026#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 39024#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39023#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39022#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39021#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 39019#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39018#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39017#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39016#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 39014#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39013#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39012#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39011#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 39009#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39008#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39007#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39006#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 39004#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 39003#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 39002#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 39001#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 38999#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 38998#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 38997#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 38996#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 38995#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 38991#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 38990#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 38987#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 38967#L527-3 [2022-11-20 09:40:44,775 INFO L750 eck$LassoCheckResult]: Loop: 38967#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 38966#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 38967#L527-3 [2022-11-20 09:40:44,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:40:44,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1748475013, now seen corresponding path program 38 times [2022-11-20 09:40:44,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:40:44,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299247247] [2022-11-20 09:40:44,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:40:44,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:40:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:40:44,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:40:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:40:44,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:40:44,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:40:44,900 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 38 times [2022-11-20 09:40:44,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:40:44,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812299241] [2022-11-20 09:40:44,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:40:44,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:40:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:40:44,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:40:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:40:44,909 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:40:44,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:40:44,910 INFO L85 PathProgramCache]: Analyzing trace with hash -952273216, now seen corresponding path program 23 times [2022-11-20 09:40:44,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:40:44,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384907051] [2022-11-20 09:40:44,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:40:44,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:40:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:40:44,969 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:40:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:40:45,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:41:33,092 WARN L233 SmtUtils]: Spent 48.02s on a formula simplification. DAG size of input: 527 DAG size of output: 398 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:41:36,414 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:41:36,414 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:41:36,414 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:41:36,414 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:41:36,414 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:41:36,414 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:41:36,414 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:41:36,415 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:41:36,415 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration41_Lasso [2022-11-20 09:41:36,415 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:41:36,415 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:41:36,418 INFO 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 09:41:36,419 INFO 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 09:41:36,422 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:41:36,423 INFO 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 09:41:36,426 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:41:38,569 INFO 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 09:41:38,571 INFO 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 09:41:38,574 INFO 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 09:41:38,576 INFO 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 09:41:38,577 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:41:38,580 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:41:38,582 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:41:38,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:41:38,586 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:41:39,234 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:41:39,234 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:41:39,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:41:39,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:41:39,237 INFO L229 MonitoredProcess]: Starting monitored process 386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:41:39,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (386)] Waiting until timeout for monitored process [2022-11-20 09:41:39,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:41:39,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:41:39,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:41:39,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:41:39,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:41:39,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:41:39,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:41:39,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:41:39,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:41:39,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (386)] Ended with exit code 0 [2022-11-20 09:41:39,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:41:39,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:41:39,253 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:41:39,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (387)] Waiting until timeout for monitored process [2022-11-20 09:41:39,255 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 09:41:39,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:41:39,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:41:39,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:41:39,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:41:39,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:41:39,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:41:39,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:41:39,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (387)] Forceful destruction successful, exit code 0 [2022-11-20 09:41:39,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:41:39,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:41:39,273 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:41:39,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (388)] Waiting until timeout for monitored process [2022-11-20 09:41:39,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:41:39,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:41:39,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:41:39,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:41:39,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:41:39,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:41:39,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:41:39,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:41:39,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:41:39,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (388)] Ended with exit code 0 [2022-11-20 09:41:39,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:41:39,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:41:39,295 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:41:39,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (389)] Waiting until timeout for monitored process [2022-11-20 09:41:39,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:41:39,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:41:39,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:41:39,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:41:39,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:41:39,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:41:39,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:41:39,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:41:39,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (389)] Ended with exit code 0 [2022-11-20 09:41:39,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:41:39,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:41:39,315 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:41:39,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (390)] Waiting until timeout for monitored process [2022-11-20 09:41:39,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:41:39,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:41:39,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:41:39,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:41:39,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:41:39,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:41:39,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:41:39,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:41:39,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (390)] Ended with exit code 0 [2022-11-20 09:41:39,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:41:39,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:41:39,337 INFO L229 MonitoredProcess]: Starting monitored process 391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:41:39,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (391)] Waiting until timeout for monitored process [2022-11-20 09:41:39,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:41:39,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:41:39,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:41:39,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:41:39,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:41:39,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:41:39,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:41:39,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:41:39,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (391)] Ended with exit code 0 [2022-11-20 09:41:39,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:41:39,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:41:39,359 INFO L229 MonitoredProcess]: Starting monitored process 392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:41:39,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (392)] Waiting until timeout for monitored process [2022-11-20 09:41:39,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:41:39,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:41:39,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:41:39,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:41:39,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:41:39,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:41:39,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:41:39,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:41:39,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (392)] Ended with exit code 0 [2022-11-20 09:41:39,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:41:39,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:41:39,381 INFO L229 MonitoredProcess]: Starting monitored process 393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:41:39,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (393)] Waiting until timeout for monitored process [2022-11-20 09:41:39,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:41:39,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:41:39,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:41:39,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:41:39,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:41:39,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:41:39,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:41:39,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:41:39,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (393)] Ended with exit code 0 [2022-11-20 09:41:39,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:41:39,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:41:39,406 INFO L229 MonitoredProcess]: Starting monitored process 394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:41:39,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (394)] Waiting until timeout for monitored process [2022-11-20 09:41:39,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:41:39,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:41:39,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:41:39,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:41:39,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:41:39,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:41:39,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:41:39,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:41:39,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (394)] Ended with exit code 0 [2022-11-20 09:41:39,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:41:39,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:41:39,428 INFO L229 MonitoredProcess]: Starting monitored process 395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:41:39,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (395)] Waiting until timeout for monitored process [2022-11-20 09:41:39,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:41:39,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:41:39,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:41:39,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:41:39,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:41:39,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:41:39,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:41:39,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:41:39,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (395)] Ended with exit code 0 [2022-11-20 09:41:39,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:41:39,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:41:39,449 INFO L229 MonitoredProcess]: Starting monitored process 396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:41:39,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (396)] Waiting until timeout for monitored process [2022-11-20 09:41:39,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:41:39,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:41:39,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:41:39,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:41:39,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:41:39,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:41:39,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:41:39,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:41:39,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (396)] Ended with exit code 0 [2022-11-20 09:41:39,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:41:39,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:41:39,472 INFO L229 MonitoredProcess]: Starting monitored process 397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:41:39,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (397)] Waiting until timeout for monitored process [2022-11-20 09:41:39,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:41:39,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:41:39,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:41:39,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:41:39,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:41:39,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:41:39,487 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:41:39,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:41:39,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (397)] Forceful destruction successful, exit code 0 [2022-11-20 09:41:39,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:41:39,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:41:39,494 INFO L229 MonitoredProcess]: Starting monitored process 398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:41:39,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (398)] Waiting until timeout for monitored process [2022-11-20 09:41:39,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:41:39,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:41:39,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:41:39,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:41:39,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:41:39,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:41:39,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:41:39,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:41:39,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (398)] Ended with exit code 0 [2022-11-20 09:41:39,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:41:39,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:41:39,517 INFO L229 MonitoredProcess]: Starting monitored process 399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:41:39,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (399)] Waiting until timeout for monitored process [2022-11-20 09:41:39,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:41:39,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:41:39,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:41:39,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:41:39,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:41:39,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:41:39,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:41:39,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:41:39,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (399)] Ended with exit code 0 [2022-11-20 09:41:39,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:41:39,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:41:39,542 INFO L229 MonitoredProcess]: Starting monitored process 400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:41:39,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (400)] Waiting until timeout for monitored process [2022-11-20 09:41:39,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:41:39,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:41:39,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:41:39,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:41:39,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:41:39,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:41:39,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:41:39,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:41:39,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (400)] Ended with exit code 0 [2022-11-20 09:41:39,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:41:39,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:41:39,569 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:41:39,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (401)] Waiting until timeout for monitored process [2022-11-20 09:41:39,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:41:39,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:41:39,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:41:39,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:41:39,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:41:39,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:41:39,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:41:39,596 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:41:39,610 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-20 09:41:39,610 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 09:41:39,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:41:39,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:41:39,613 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:41:39,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (402)] Waiting until timeout for monitored process [2022-11-20 09:41:39,615 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:41:39,627 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:41:39,627 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:41:39,627 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 52 ULTIMATE.start_main_~arr~0#1.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 52 ULTIMATE.start_main_~arr~0#1.offset))_2 Supporting invariants [] [2022-11-20 09:41:39,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (401)] Ended with exit code 0 [2022-11-20 09:41:39,709 INFO L156 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2022-11-20 09:41:39,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:41:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:41:39,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-20 09:41:39,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:41:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:41:40,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:41:40,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:41:40,250 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 09:41:40,250 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.15 stem predicates 2 loop predicates [2022-11-20 09:41:40,251 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47 Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:41:40,292 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47. Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 138 states and 170 transitions. Complement of second has 4 states. [2022-11-20 09:41:40,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:41:40,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:41:40,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:41:40,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 120 letters. Loop has 2 letters. [2022-11-20 09:41:40,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:41:40,293 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:41:40,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:41:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:41:40,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-20 09:41:40,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:41:40,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (402)] Ended with exit code 0 [2022-11-20 09:41:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:41:40,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:41:40,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:41:40,860 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 09:41:40,860 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.15 stem predicates 2 loop predicates [2022-11-20 09:41:40,860 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47 Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:41:40,894 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47. Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 138 states and 170 transitions. Complement of second has 4 states. [2022-11-20 09:41:40,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:41:40,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:41:40,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:41:40,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 120 letters. Loop has 2 letters. [2022-11-20 09:41:40,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:41:40,896 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:41:40,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:41:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:41:40,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-20 09:41:40,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:41:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:41:41,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:41:41,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:41:41,463 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 09:41:41,463 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.15 stem predicates 2 loop predicates [2022-11-20 09:41:41,463 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47 Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:41:41,950 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 137 states and 168 transitions. cyclomatic complexity: 47. Second operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 164 states and 211 transitions. Complement of second has 34 states. [2022-11-20 09:41:41,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 19 states 15 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:41:41,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 17 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:41:41,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 105 transitions. [2022-11-20 09:41:41,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 105 transitions. Stem has 120 letters. Loop has 2 letters. [2022-11-20 09:41:41,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:41:41,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 105 transitions. Stem has 122 letters. Loop has 2 letters. [2022-11-20 09:41:41,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:41:41,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 19 states and 105 transitions. Stem has 120 letters. Loop has 4 letters. [2022-11-20 09:41:41,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:41:41,953 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 164 states and 211 transitions. [2022-11-20 09:41:41,953 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:41:41,954 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 164 states to 159 states and 204 transitions. [2022-11-20 09:41:41,954 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 09:41:41,954 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 09:41:41,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 159 states and 204 transitions. [2022-11-20 09:41:41,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:41:41,955 INFO L218 hiAutomatonCegarLoop]: Abstraction has 159 states and 204 transitions. [2022-11-20 09:41:41,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states and 204 transitions. [2022-11-20 09:41:41,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 142. [2022-11-20 09:41:41,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 142 states have (on average 1.2253521126760563) internal successors, (174), 141 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:41:41,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 174 transitions. [2022-11-20 09:41:41,958 INFO L240 hiAutomatonCegarLoop]: Abstraction has 142 states and 174 transitions. [2022-11-20 09:41:41,958 INFO L428 stractBuchiCegarLoop]: Abstraction has 142 states and 174 transitions. [2022-11-20 09:41:41,958 INFO L335 stractBuchiCegarLoop]: ======== Iteration 42 ============ [2022-11-20 09:41:41,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states and 174 transitions. [2022-11-20 09:41:41,959 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:41:41,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:41:41,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:41:41,960 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [15, 15, 15, 15, 15, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:41:41,960 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:41:41,960 INFO L748 eck$LassoCheckResult]: Stem: 40848#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 40849#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 40856#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 40863#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 40857#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 40858#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40859#L521 assume !(main_~val~0#1 < 0); 40853#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40854#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40855#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40860#L521 assume !(main_~val~0#1 < 0); 40861#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40918#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40917#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40916#L521 assume !(main_~val~0#1 < 0); 40915#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40914#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40913#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40912#L521 assume !(main_~val~0#1 < 0); 40911#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40910#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40909#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40908#L521 assume !(main_~val~0#1 < 0); 40907#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40906#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40905#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40904#L521 assume !(main_~val~0#1 < 0); 40903#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40902#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40901#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40900#L521 assume !(main_~val~0#1 < 0); 40899#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40898#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40897#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40896#L521 assume !(main_~val~0#1 < 0); 40895#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40894#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40893#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40892#L521 assume !(main_~val~0#1 < 0); 40891#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40890#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40889#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40888#L521 assume !(main_~val~0#1 < 0); 40887#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40886#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40885#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40884#L521 assume !(main_~val~0#1 < 0); 40883#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40882#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40881#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40880#L521 assume !(main_~val~0#1 < 0); 40879#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40878#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40877#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40876#L521 assume !(main_~val~0#1 < 0); 40875#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40874#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40873#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40872#L521 assume !(main_~val~0#1 < 0); 40871#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40870#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40869#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 40866#L521 assume !(main_~val~0#1 < 0); 40868#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 40867#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 40865#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 40864#L519-4 main_~j~0#1 := 0; 40850#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40851#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40982#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40981#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40852#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40847#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40862#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40842#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40843#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40979#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40978#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40977#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40976#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40974#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40973#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40972#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40971#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40969#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40968#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40967#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40966#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40964#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40963#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40962#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40961#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40959#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40958#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40957#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40956#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40954#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40953#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40952#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40951#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40949#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40948#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40947#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40946#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40944#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40943#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40942#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40941#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40939#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40938#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40937#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40936#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40934#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40933#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40932#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40931#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40929#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40928#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40927#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40926#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40925#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40922#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 40921#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 40919#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 40845#L527-3 [2022-11-20 09:41:41,960 INFO L750 eck$LassoCheckResult]: Loop: 40845#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 40844#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 40845#L527-3 [2022-11-20 09:41:41,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:41:41,961 INFO L85 PathProgramCache]: Analyzing trace with hash -306526640, now seen corresponding path program 39 times [2022-11-20 09:41:41,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:41:41,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627140931] [2022-11-20 09:41:41,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:41:41,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:41:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:41:42,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:41:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:41:42,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:41:42,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:41:42,094 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 39 times [2022-11-20 09:41:42,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:41:42,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406968645] [2022-11-20 09:41:42,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:41:42,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:41:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:41:42,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:41:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:41:42,103 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:41:42,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:41:42,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1780643925, now seen corresponding path program 24 times [2022-11-20 09:41:42,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:41:42,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376120350] [2022-11-20 09:41:42,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:41:42,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:41:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:41:42,150 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:41:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:41:42,198 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:42:29,263 WARN L233 SmtUtils]: Spent 47.02s on a formula simplification. DAG size of input: 541 DAG size of output: 411 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:42:37,666 WARN L233 SmtUtils]: Spent 7.80s on a formula simplification that was a NOOP. DAG size: 190 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:42:37,671 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:42:37,671 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:42:37,671 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:42:37,671 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:42:37,672 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:42:37,672 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:42:37,672 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:42:37,672 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:42:37,672 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration42_Lasso [2022-11-20 09:42:37,672 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:42:37,672 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:42:37,675 INFO 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 09:42:37,678 INFO 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 09:42:37,680 INFO 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 09:42:37,683 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:42:37,685 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:42:37,687 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:42:37,689 INFO 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 09:42:37,691 INFO 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 09:42:37,694 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:42:51,606 INFO 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 09:42:51,608 INFO 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 09:42:51,611 INFO 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 09:42:51,619 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:42:51,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:42:51,624 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:42:52,367 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:42:52,368 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:42:52,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:42:52,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:42:52,375 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:42:52,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:42:52,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (403)] Waiting until timeout for monitored process [2022-11-20 09:42:52,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:42:52,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:42:52,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:42:52,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:42:52,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:42:52,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:42:52,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:42:52,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:42:52,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (403)] Forceful destruction successful, exit code 0 [2022-11-20 09:42:52,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:42:52,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:42:52,414 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:42:52,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:42:52,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (404)] Waiting until timeout for monitored process [2022-11-20 09:42:52,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:42:52,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:42:52,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:42:52,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:42:52,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:42:52,435 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:42:52,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:42:52,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (404)] Ended with exit code 0 [2022-11-20 09:42:52,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:42:52,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:42:52,442 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:42:52,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (405)] Waiting until timeout for monitored process [2022-11-20 09:42:52,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:42:52,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:42:52,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:42:52,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:42:52,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:42:52,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:42:52,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:42:52,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:42:52,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (405)] Ended with exit code 0 [2022-11-20 09:42:52,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:42:52,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:42:52,466 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:42:52,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (406)] Waiting until timeout for monitored process [2022-11-20 09:42:52,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:42:52,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:42:52,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:42:52,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:42:52,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:42:52,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:42:52,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:42:52,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:42:52,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:42:52,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (406)] Ended with exit code 0 [2022-11-20 09:42:52,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:42:52,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:42:52,487 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:42:52,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (407)] Waiting until timeout for monitored process [2022-11-20 09:42:52,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:42:52,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:42:52,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:42:52,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:42:52,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:42:52,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:42:52,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:42:52,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:42:52,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:42:52,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (407)] Forceful destruction successful, exit code 0 [2022-11-20 09:42:52,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:42:52,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:42:52,509 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:42:52,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (408)] Waiting until timeout for monitored process [2022-11-20 09:42:52,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:42:52,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:42:52,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:42:52,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:42:52,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:42:52,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:42:52,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:42:52,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:42:52,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:42:52,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (408)] Ended with exit code 0 [2022-11-20 09:42:52,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:42:52,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:42:52,531 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:42:52,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (409)] Waiting until timeout for monitored process [2022-11-20 09:42:52,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:42:52,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:42:52,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:42:52,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:42:52,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:42:52,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:42:52,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:42:52,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:42:52,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:42:52,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (409)] Ended with exit code 0 [2022-11-20 09:42:52,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:42:52,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:42:52,553 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:42:52,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (410)] Waiting until timeout for monitored process [2022-11-20 09:42:52,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:42:52,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:42:52,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:42:52,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:42:52,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:42:52,577 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:42:52,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:42:52,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:42:52,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (410)] Ended with exit code 0 [2022-11-20 09:42:52,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:42:52,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:42:52,585 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:42:52,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (411)] Waiting until timeout for monitored process [2022-11-20 09:42:52,588 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 09:42:52,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:42:52,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:42:52,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:42:52,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:42:52,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:42:52,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:42:52,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:42:52,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (411)] Ended with exit code 0 [2022-11-20 09:42:52,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:42:52,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:42:52,616 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:42:52,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (412)] Waiting until timeout for monitored process [2022-11-20 09:42:52,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:42:52,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:42:52,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:42:52,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:42:52,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:42:52,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:42:52,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:42:52,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:42:52,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (412)] Ended with exit code 0 [2022-11-20 09:42:52,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:42:52,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:42:52,643 INFO L229 MonitoredProcess]: Starting monitored process 413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:42:52,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (413)] Waiting until timeout for monitored process [2022-11-20 09:42:52,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:42:52,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:42:52,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:42:52,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:42:52,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:42:52,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:42:52,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:42:52,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:42:52,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (413)] Ended with exit code 0 [2022-11-20 09:42:52,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:42:52,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:42:52,670 INFO L229 MonitoredProcess]: Starting monitored process 414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:42:52,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (414)] Waiting until timeout for monitored process [2022-11-20 09:42:52,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:42:52,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:42:52,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:42:52,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:42:52,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:42:52,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:42:52,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:42:52,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:42:52,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (414)] Ended with exit code 0 [2022-11-20 09:42:52,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:42:52,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:42:52,697 INFO L229 MonitoredProcess]: Starting monitored process 415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:42:52,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (415)] Waiting until timeout for monitored process [2022-11-20 09:42:52,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:42:52,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:42:52,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:42:52,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:42:52,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:42:52,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:42:52,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:42:52,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:42:52,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (415)] Ended with exit code 0 [2022-11-20 09:42:52,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:42:52,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:42:52,724 INFO L229 MonitoredProcess]: Starting monitored process 416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:42:52,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (416)] Waiting until timeout for monitored process [2022-11-20 09:42:52,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:42:52,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:42:52,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:42:52,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:42:52,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:42:52,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:42:52,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:42:52,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:42:52,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (416)] Ended with exit code 0 [2022-11-20 09:42:52,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:42:52,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:42:52,751 INFO L229 MonitoredProcess]: Starting monitored process 417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:42:52,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (417)] Waiting until timeout for monitored process [2022-11-20 09:42:52,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:42:52,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:42:52,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:42:52,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:42:52,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:42:52,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:42:52,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:42:52,781 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:42:52,798 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-20 09:42:52,798 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-11-20 09:42:52,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:42:52,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:42:52,801 INFO L229 MonitoredProcess]: Starting monitored process 418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:42:52,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (418)] Waiting until timeout for monitored process [2022-11-20 09:42:52,802 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:42:52,815 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:42:52,815 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:42:52,815 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 56 ULTIMATE.start_main_~arr~0#1.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 56 ULTIMATE.start_main_~arr~0#1.offset))_2 Supporting invariants [] [2022-11-20 09:42:52,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (417)] Forceful destruction successful, exit code 0 [2022-11-20 09:42:52,919 INFO L156 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2022-11-20 09:42:52,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:42:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:42:53,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-20 09:42:53,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:42:53,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (418)] Forceful destruction successful, exit code 0 [2022-11-20 09:42:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:42:53,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:42:53,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:42:53,652 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 09:42:53,653 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-20 09:42:53,653 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49 Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:42:53,702 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 143 states and 176 transitions. Complement of second has 4 states. [2022-11-20 09:42:53,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:42:53,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:42:53,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:42:53,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 124 letters. Loop has 2 letters. [2022-11-20 09:42:53,704 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:42:53,704 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:42:53,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:42:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:42:53,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-20 09:42:53,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:42:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:42:54,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:42:54,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:42:54,450 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 09:42:54,451 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-20 09:42:54,451 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49 Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:42:54,495 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 143 states and 176 transitions. Complement of second has 4 states. [2022-11-20 09:42:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:42:54,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:42:54,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:42:54,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 124 letters. Loop has 2 letters. [2022-11-20 09:42:54,496 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:42:54,496 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:42:54,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:42:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:42:54,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-20 09:42:54,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:42:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:42:55,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:42:55,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:42:55,227 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 09:42:55,227 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.16 stem predicates 2 loop predicates [2022-11-20 09:42:55,228 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49 Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:42:55,968 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 142 states and 174 transitions. cyclomatic complexity: 49. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 170 states and 219 transitions. Complement of second has 36 states. [2022-11-20 09:42:55,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 20 states 16 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:42:55,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:42:55,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 111 transitions. [2022-11-20 09:42:55,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 124 letters. Loop has 2 letters. [2022-11-20 09:42:55,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:42:55,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 126 letters. Loop has 2 letters. [2022-11-20 09:42:55,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:42:55,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 111 transitions. Stem has 124 letters. Loop has 4 letters. [2022-11-20 09:42:55,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:42:55,970 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 219 transitions. [2022-11-20 09:42:55,971 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:42:55,972 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 165 states and 212 transitions. [2022-11-20 09:42:55,972 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 09:42:55,972 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 09:42:55,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 165 states and 212 transitions. [2022-11-20 09:42:55,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:42:55,973 INFO L218 hiAutomatonCegarLoop]: Abstraction has 165 states and 212 transitions. [2022-11-20 09:42:55,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states and 212 transitions. [2022-11-20 09:42:55,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 147. [2022-11-20 09:42:55,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 147 states have (on average 1.2244897959183674) internal successors, (180), 146 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:42:55,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 180 transitions. [2022-11-20 09:42:55,976 INFO L240 hiAutomatonCegarLoop]: Abstraction has 147 states and 180 transitions. [2022-11-20 09:42:55,977 INFO L428 stractBuchiCegarLoop]: Abstraction has 147 states and 180 transitions. [2022-11-20 09:42:55,977 INFO L335 stractBuchiCegarLoop]: ======== Iteration 43 ============ [2022-11-20 09:42:55,977 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 147 states and 180 transitions. [2022-11-20 09:42:55,978 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:42:55,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:42:55,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:42:55,979 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [16, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:42:55,979 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:42:55,979 INFO L748 eck$LassoCheckResult]: Stem: 42793#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 42794#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 42802#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 42809#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 42803#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 42804#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42805#L521 assume !(main_~val~0#1 < 0); 42807#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42800#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42801#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42806#L521 assume !(main_~val~0#1 < 0); 42798#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42799#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42863#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42862#L521 assume !(main_~val~0#1 < 0); 42861#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42860#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42859#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42858#L521 assume !(main_~val~0#1 < 0); 42857#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42856#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42855#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42854#L521 assume !(main_~val~0#1 < 0); 42853#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42852#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42851#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42850#L521 assume !(main_~val~0#1 < 0); 42849#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42848#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42847#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42846#L521 assume !(main_~val~0#1 < 0); 42845#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42844#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42843#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42842#L521 assume !(main_~val~0#1 < 0); 42841#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42840#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42839#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42838#L521 assume !(main_~val~0#1 < 0); 42837#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42836#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42835#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42834#L521 assume !(main_~val~0#1 < 0); 42833#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42832#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42831#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42830#L521 assume !(main_~val~0#1 < 0); 42829#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42828#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42827#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42826#L521 assume !(main_~val~0#1 < 0); 42825#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42824#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42823#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42822#L521 assume !(main_~val~0#1 < 0); 42821#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42820#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42819#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42818#L521 assume !(main_~val~0#1 < 0); 42817#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42816#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42815#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 42812#L521 assume !(main_~val~0#1 < 0); 42814#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 42813#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 42811#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 42810#L519-4 main_~j~0#1 := 0; 42795#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42796#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42932#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42931#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42797#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42792#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42808#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42787#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42788#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42929#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42928#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42927#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42926#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42924#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42923#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42922#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42921#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42919#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42918#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42917#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42916#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42914#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42913#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42912#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42911#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42909#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42908#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42907#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42906#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42904#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42903#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42902#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42901#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42899#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42898#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42897#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42896#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42894#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42893#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42892#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42891#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42889#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42888#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42887#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42886#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42884#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42883#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42882#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42881#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42879#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42878#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42877#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42876#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42874#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42873#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42872#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42871#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42870#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42867#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 42866#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 42864#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 42790#L527-3 [2022-11-20 09:42:55,980 INFO L750 eck$LassoCheckResult]: Loop: 42790#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 42789#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 42790#L527-3 [2022-11-20 09:42:55,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:42:55,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1801828005, now seen corresponding path program 40 times [2022-11-20 09:42:55,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:42:55,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487148757] [2022-11-20 09:42:55,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:42:55,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:42:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:42:57,215 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 378 proven. 492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:42:57,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:42:57,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487148757] [2022-11-20 09:42:57,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487148757] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:42:57,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345093387] [2022-11-20 09:42:57,216 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 09:42:57,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:42:57,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:42:57,219 INFO L229 MonitoredProcess]: Starting monitored process 419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:42:57,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (419)] Waiting until timeout for monitored process [2022-11-20 09:42:57,622 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 09:42:57,622 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:42:57,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-20 09:42:57,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:42:58,623 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 435 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:42:58,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:42:59,369 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 435 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:42:59,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345093387] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:42:59,369 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:42:59,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 52 [2022-11-20 09:42:59,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755807537] [2022-11-20 09:42:59,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:42:59,370 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:42:59,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:42:59,370 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 40 times [2022-11-20 09:42:59,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:42:59,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539683615] [2022-11-20 09:42:59,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:42:59,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:42:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:42:59,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:42:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:42:59,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:42:59,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:42:59,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-11-20 09:42:59,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=634, Invalid=2122, Unknown=0, NotChecked=0, Total=2756 [2022-11-20 09:42:59,424 INFO L87 Difference]: Start difference. First operand 147 states and 180 transitions. cyclomatic complexity: 51 Second operand has 53 states, 52 states have (on average 3.8461538461538463) internal successors, (200), 53 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:43:00,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:43:00,386 INFO L93 Difference]: Finished difference Result 231 states and 281 transitions. [2022-11-20 09:43:00,386 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 231 states and 281 transitions. [2022-11-20 09:43:00,387 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:43:00,388 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 231 states to 154 states and 189 transitions. [2022-11-20 09:43:00,388 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 09:43:00,389 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 09:43:00,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 189 transitions. [2022-11-20 09:43:00,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:43:00,389 INFO L218 hiAutomatonCegarLoop]: Abstraction has 154 states and 189 transitions. [2022-11-20 09:43:00,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states and 189 transitions. [2022-11-20 09:43:00,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 151. [2022-11-20 09:43:00,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 151 states have (on average 1.2251655629139073) internal successors, (185), 150 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:43:00,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 185 transitions. [2022-11-20 09:43:00,392 INFO L240 hiAutomatonCegarLoop]: Abstraction has 151 states and 185 transitions. [2022-11-20 09:43:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-20 09:43:00,393 INFO L428 stractBuchiCegarLoop]: Abstraction has 151 states and 185 transitions. [2022-11-20 09:43:00,393 INFO L335 stractBuchiCegarLoop]: ======== Iteration 44 ============ [2022-11-20 09:43:00,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 151 states and 185 transitions. [2022-11-20 09:43:00,394 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:43:00,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:43:00,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:43:00,395 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [16, 16, 16, 16, 16, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:43:00,395 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:43:00,396 INFO L748 eck$LassoCheckResult]: Stem: 44023#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 44024#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 44030#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 44036#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 44031#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 44032#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44033#L521 assume !(main_~val~0#1 < 0); 44027#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44028#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44029#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44034#L521 assume !(main_~val~0#1 < 0); 44167#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44166#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44165#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44164#L521 assume !(main_~val~0#1 < 0); 44163#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44162#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44161#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44160#L521 assume !(main_~val~0#1 < 0); 44159#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44158#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44157#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44156#L521 assume !(main_~val~0#1 < 0); 44155#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44154#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44153#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44152#L521 assume !(main_~val~0#1 < 0); 44151#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44150#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44149#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44148#L521 assume !(main_~val~0#1 < 0); 44147#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44146#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44145#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44144#L521 assume !(main_~val~0#1 < 0); 44143#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44142#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44141#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44140#L521 assume !(main_~val~0#1 < 0); 44139#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44138#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44137#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44136#L521 assume !(main_~val~0#1 < 0); 44135#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44134#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44133#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44132#L521 assume !(main_~val~0#1 < 0); 44131#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44130#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44129#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44128#L521 assume !(main_~val~0#1 < 0); 44127#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44126#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44125#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44124#L521 assume !(main_~val~0#1 < 0); 44123#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44122#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44121#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44120#L521 assume !(main_~val~0#1 < 0); 44119#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44118#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44117#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44116#L521 assume !(main_~val~0#1 < 0); 44115#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44114#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44113#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 44039#L521 assume !(main_~val~0#1 < 0); 44045#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 44042#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 44038#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 44037#L519-4 main_~j~0#1 := 0; 44025#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44022#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44035#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44017#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44018#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44026#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44111#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44110#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44109#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44107#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44106#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44105#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44104#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44102#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44101#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44100#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44099#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44097#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44096#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44095#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44094#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44092#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44091#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44090#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44089#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44087#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44086#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44085#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44084#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44082#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44081#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44080#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44079#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44077#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44076#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44075#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44074#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44072#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44071#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44070#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44069#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44067#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44066#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44065#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44064#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44062#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44061#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44060#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44059#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44057#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44056#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44055#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44054#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44052#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44051#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44050#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44049#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44048#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44044#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 44043#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 44040#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 44020#L527-3 [2022-11-20 09:43:00,396 INFO L750 eck$LassoCheckResult]: Loop: 44020#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 44019#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 44020#L527-3 [2022-11-20 09:43:00,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:43:00,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1004225122, now seen corresponding path program 41 times [2022-11-20 09:43:00,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:43:00,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391641831] [2022-11-20 09:43:00,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:43:00,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:43:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:43:00,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:43:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:43:00,522 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:43:00,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:43:00,523 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 41 times [2022-11-20 09:43:00,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:43:00,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648749142] [2022-11-20 09:43:00,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:43:00,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:43:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:43:00,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:43:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:43:00,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:43:00,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:43:00,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1307300899, now seen corresponding path program 25 times [2022-11-20 09:43:00,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:43:00,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61786560] [2022-11-20 09:43:00,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:43:00,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:43:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:43:00,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:43:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:43:00,671 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:45:06,470 WARN L233 SmtUtils]: Spent 2.10m on a formula simplification. DAG size of input: 574 DAG size of output: 436 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:45:20,471 WARN L233 SmtUtils]: Spent 12.97s on a formula simplification that was a NOOP. DAG size: 223 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:45:20,477 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:45:20,477 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:45:20,477 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:45:20,477 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:45:20,477 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:45:20,477 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:20,477 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:45:20,477 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:45:20,478 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration44_Lasso [2022-11-20 09:45:20,478 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:45:20,478 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:45:20,482 INFO 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 09:45:20,485 INFO 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 09:45:20,487 INFO 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 09:45:20,490 INFO 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 09:45:20,492 INFO 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 09:45:56,516 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:45:56,519 INFO 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 09:45:56,521 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:45:56,523 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:45:56,526 INFO 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 09:45:56,528 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:45:56,531 INFO 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 09:45:56,533 INFO 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 09:45:56,536 INFO 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 09:45:56,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:45:57,718 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:45:57,718 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:45:57,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:57,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:57,730 INFO L229 MonitoredProcess]: Starting monitored process 420 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:57,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:45:57,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (420)] Waiting until timeout for monitored process [2022-11-20 09:45:57,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:45:57,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:45:57,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:45:57,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:45:57,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:45:57,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:45:57,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:45:57,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (420)] Forceful destruction successful, exit code 0 [2022-11-20 09:45:57,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:57,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:57,767 INFO L229 MonitoredProcess]: Starting monitored process 421 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:57,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (421)] Waiting until timeout for monitored process [2022-11-20 09:45:57,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:45:57,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:45:57,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:45:57,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:45:57,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:45:57,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:45:57,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:45:57,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:45:57,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:45:57,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (421)] Ended with exit code 0 [2022-11-20 09:45:57,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:57,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:57,792 INFO L229 MonitoredProcess]: Starting monitored process 422 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:57,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (422)] Waiting until timeout for monitored process [2022-11-20 09:45:57,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:45:57,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:45:57,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:45:57,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:45:57,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:45:57,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:45:57,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:45:57,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:45:57,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (422)] Ended with exit code 0 [2022-11-20 09:45:57,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:57,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:57,820 INFO L229 MonitoredProcess]: Starting monitored process 423 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:57,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (423)] Waiting until timeout for monitored process [2022-11-20 09:45:57,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:45:57,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:45:57,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:45:57,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:45:57,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:45:57,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:45:57,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:45:57,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:45:57,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:45:57,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (423)] Ended with exit code 0 [2022-11-20 09:45:57,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:57,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:57,841 INFO L229 MonitoredProcess]: Starting monitored process 424 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:57,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (424)] Waiting until timeout for monitored process [2022-11-20 09:45:57,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:45:57,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:45:57,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:45:57,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:45:57,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:45:57,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:45:57,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:45:57,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:45:57,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (424)] Ended with exit code 0 [2022-11-20 09:45:57,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:57,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:57,873 INFO L229 MonitoredProcess]: Starting monitored process 425 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:57,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (425)] Waiting until timeout for monitored process [2022-11-20 09:45:57,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:45:57,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:45:57,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:45:57,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:45:57,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:45:57,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:45:57,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:45:57,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:45:57,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (425)] Ended with exit code 0 [2022-11-20 09:45:57,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:57,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:57,905 INFO L229 MonitoredProcess]: Starting monitored process 426 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:57,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (426)] Waiting until timeout for monitored process [2022-11-20 09:45:57,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:45:57,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:45:57,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:45:57,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:45:57,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:45:57,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:45:57,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:45:57,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:45:57,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (426)] Ended with exit code 0 [2022-11-20 09:45:57,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:57,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:57,937 INFO L229 MonitoredProcess]: Starting monitored process 427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:57,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (427)] Waiting until timeout for monitored process [2022-11-20 09:45:57,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:45:57,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:45:57,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:45:57,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:45:57,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:45:57,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:45:57,956 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:45:57,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:45:57,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (427)] Ended with exit code 0 [2022-11-20 09:45:57,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:57,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:57,970 INFO L229 MonitoredProcess]: Starting monitored process 428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:57,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (428)] Waiting until timeout for monitored process [2022-11-20 09:45:57,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:45:57,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:45:57,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:45:57,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:45:57,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:45:57,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:45:57,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:45:57,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:45:57,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (428)] Ended with exit code 0 [2022-11-20 09:45:57,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:57,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:57,999 INFO L229 MonitoredProcess]: Starting monitored process 429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:58,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (429)] Waiting until timeout for monitored process [2022-11-20 09:45:58,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:45:58,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:45:58,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:45:58,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:45:58,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:45:58,020 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:45:58,020 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:45:58,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:45:58,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (429)] Ended with exit code 0 [2022-11-20 09:45:58,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:58,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:58,037 INFO L229 MonitoredProcess]: Starting monitored process 430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:58,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (430)] Waiting until timeout for monitored process [2022-11-20 09:45:58,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:45:58,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:45:58,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:45:58,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:45:58,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:45:58,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:45:58,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:45:58,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:45:58,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (430)] Ended with exit code 0 [2022-11-20 09:45:58,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:58,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:58,090 INFO L229 MonitoredProcess]: Starting monitored process 431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:58,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (431)] Waiting until timeout for monitored process [2022-11-20 09:45:58,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:45:58,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:45:58,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:45:58,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:45:58,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:45:58,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:45:58,109 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:45:58,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:45:58,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (431)] Forceful destruction successful, exit code 0 [2022-11-20 09:45:58,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:58,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:58,121 INFO L229 MonitoredProcess]: Starting monitored process 432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:58,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (432)] Waiting until timeout for monitored process [2022-11-20 09:45:58,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:45:58,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:45:58,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:45:58,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:45:58,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:45:58,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:45:58,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:45:58,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:45:58,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (432)] Ended with exit code 0 [2022-11-20 09:45:58,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:58,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:58,147 INFO L229 MonitoredProcess]: Starting monitored process 433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:58,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (433)] Waiting until timeout for monitored process [2022-11-20 09:45:58,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:45:58,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:45:58,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:45:58,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:45:58,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:45:58,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:45:58,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:45:58,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:45:58,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (433)] Ended with exit code 0 [2022-11-20 09:45:58,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:58,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:58,178 INFO L229 MonitoredProcess]: Starting monitored process 434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:58,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (434)] Waiting until timeout for monitored process [2022-11-20 09:45:58,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:45:58,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:45:58,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:45:58,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:45:58,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:45:58,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:45:58,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:45:58,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:45:58,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (434)] Ended with exit code 0 [2022-11-20 09:45:58,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:58,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:58,210 INFO L229 MonitoredProcess]: Starting monitored process 435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:58,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (435)] Waiting until timeout for monitored process [2022-11-20 09:45:58,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:45:58,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:45:58,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:45:58,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:45:58,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:45:58,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:45:58,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:45:58,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:45:58,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (435)] Ended with exit code 0 [2022-11-20 09:45:58,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:58,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:58,241 INFO L229 MonitoredProcess]: Starting monitored process 436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:58,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (436)] Waiting until timeout for monitored process [2022-11-20 09:45:58,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 09:45:58,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:45:58,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:45:58,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:45:58,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:45:58,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:45:58,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:45:58,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:45:58,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (436)] Ended with exit code 0 [2022-11-20 09:45:58,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:58,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:58,272 INFO L229 MonitoredProcess]: Starting monitored process 437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:58,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (437)] Waiting until timeout for monitored process [2022-11-20 09:45:58,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:45:58,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:45:58,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:45:58,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:45:58,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:45:58,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:45:58,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:45:58,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:45:58,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (437)] Ended with exit code 0 [2022-11-20 09:45:58,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:58,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:58,303 INFO L229 MonitoredProcess]: Starting monitored process 438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:58,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (438)] Waiting until timeout for monitored process [2022-11-20 09:45:58,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:45:58,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:45:58,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:45:58,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:45:58,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:45:58,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:45:58,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:45:58,334 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:45:58,351 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-20 09:45:58,351 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-20 09:45:58,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:45:58,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:45:58,355 INFO L229 MonitoredProcess]: Starting monitored process 439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:45:58,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (439)] Waiting until timeout for monitored process [2022-11-20 09:45:58,356 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:45:58,369 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 09:45:58,369 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:45:58,369 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 60))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 60))_1 Supporting invariants [] [2022-11-20 09:45:58,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (438)] Forceful destruction successful, exit code 0 [2022-11-20 09:45:59,642 INFO L156 tatePredicateManager]: 34 out of 35 supporting invariants were superfluous and have been removed [2022-11-20 09:45:59,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:45:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:45:59,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-20 09:45:59,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:46:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:46:00,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:46:00,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:46:00,294 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 09:46:00,294 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.17 stem predicates 2 loop predicates [2022-11-20 09:46:00,294 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 151 states and 185 transitions. cyclomatic complexity: 52 Second operand has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:46:00,330 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 151 states and 185 transitions. cyclomatic complexity: 52. Second operand has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 152 states and 187 transitions. Complement of second has 4 states. [2022-11-20 09:46:00,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:46:00,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:46:00,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:46:00,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 132 letters. Loop has 2 letters. [2022-11-20 09:46:00,331 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:46:00,332 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:46:00,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:46:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:46:00,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-20 09:46:00,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:46:00,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (439)] Ended with exit code 0 [2022-11-20 09:46:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:46:01,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:46:01,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:46:01,075 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 09:46:01,076 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.17 stem predicates 2 loop predicates [2022-11-20 09:46:01,076 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 151 states and 185 transitions. cyclomatic complexity: 52 Second operand has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:46:01,120 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 151 states and 185 transitions. cyclomatic complexity: 52. Second operand has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 152 states and 187 transitions. Complement of second has 4 states. [2022-11-20 09:46:01,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-20 09:46:01,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:46:01,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-20 09:46:01,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 132 letters. Loop has 2 letters. [2022-11-20 09:46:01,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:46:01,122 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:46:01,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:46:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:46:01,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-20 09:46:01,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:46:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:46:01,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 09:46:01,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:46:01,891 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 09:46:01,892 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.17 stem predicates 2 loop predicates [2022-11-20 09:46:01,892 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 151 states and 185 transitions. cyclomatic complexity: 52 Second operand has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:46:02,531 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 151 states and 185 transitions. cyclomatic complexity: 52. Second operand has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 180 states and 232 transitions. Complement of second has 38 states. [2022-11-20 09:46:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 21 states 17 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 09:46:02,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:46:02,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 117 transitions. [2022-11-20 09:46:02,532 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 117 transitions. Stem has 132 letters. Loop has 2 letters. [2022-11-20 09:46:02,532 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:46:02,532 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 117 transitions. Stem has 134 letters. Loop has 2 letters. [2022-11-20 09:46:02,533 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:46:02,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 21 states and 117 transitions. Stem has 132 letters. Loop has 4 letters. [2022-11-20 09:46:02,533 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:46:02,533 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 180 states and 232 transitions. [2022-11-20 09:46:02,534 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:46:02,535 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 180 states to 175 states and 225 transitions. [2022-11-20 09:46:02,535 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 09:46:02,535 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 09:46:02,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 175 states and 225 transitions. [2022-11-20 09:46:02,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:46:02,535 INFO L218 hiAutomatonCegarLoop]: Abstraction has 175 states and 225 transitions. [2022-11-20 09:46:02,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states and 225 transitions. [2022-11-20 09:46:02,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 156. [2022-11-20 09:46:02,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 156 states have (on average 1.2243589743589745) internal successors, (191), 155 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:46:02,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 191 transitions. [2022-11-20 09:46:02,538 INFO L240 hiAutomatonCegarLoop]: Abstraction has 156 states and 191 transitions. [2022-11-20 09:46:02,538 INFO L428 stractBuchiCegarLoop]: Abstraction has 156 states and 191 transitions. [2022-11-20 09:46:02,538 INFO L335 stractBuchiCegarLoop]: ======== Iteration 45 ============ [2022-11-20 09:46:02,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 156 states and 191 transitions. [2022-11-20 09:46:02,539 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:46:02,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:46:02,539 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:46:02,540 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [17, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:46:02,540 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:46:02,541 INFO L748 eck$LassoCheckResult]: Stem: 46139#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 46140#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 46148#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 46155#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 46149#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 46150#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46151#L521 assume !(main_~val~0#1 < 0); 46153#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46146#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46147#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46152#L521 assume !(main_~val~0#1 < 0); 46144#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46145#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46213#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46212#L521 assume !(main_~val~0#1 < 0); 46211#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46210#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46209#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46208#L521 assume !(main_~val~0#1 < 0); 46207#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46206#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46205#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46204#L521 assume !(main_~val~0#1 < 0); 46203#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46202#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46201#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46200#L521 assume !(main_~val~0#1 < 0); 46199#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46198#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46197#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46196#L521 assume !(main_~val~0#1 < 0); 46195#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46194#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46193#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46192#L521 assume !(main_~val~0#1 < 0); 46191#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46190#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46189#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46188#L521 assume !(main_~val~0#1 < 0); 46187#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46186#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46185#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46184#L521 assume !(main_~val~0#1 < 0); 46183#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46182#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46181#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46180#L521 assume !(main_~val~0#1 < 0); 46179#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46178#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46177#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46176#L521 assume !(main_~val~0#1 < 0); 46175#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46174#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46173#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46172#L521 assume !(main_~val~0#1 < 0); 46171#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46170#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46169#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46168#L521 assume !(main_~val~0#1 < 0); 46167#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46166#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46165#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46164#L521 assume !(main_~val~0#1 < 0); 46163#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46162#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46161#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 46158#L521 assume !(main_~val~0#1 < 0); 46160#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 46159#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46157#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 46156#L519-4 main_~j~0#1 := 0; 46141#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 46142#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46287#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46286#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46143#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 46138#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46154#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46133#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46134#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 46284#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46283#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46282#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46281#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 46279#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46278#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46277#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46276#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 46274#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46273#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46272#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46271#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 46269#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46268#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46267#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46266#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 46264#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46263#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46262#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46261#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 46259#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46258#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46257#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46256#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 46254#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46253#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46252#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46251#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 46249#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46248#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46247#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46246#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 46244#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46243#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46242#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46241#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 46239#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46238#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46237#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46236#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 46234#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46233#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46232#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46231#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 46229#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46228#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46227#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46226#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 46224#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46223#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46222#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46221#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 46220#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46217#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 46216#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 46214#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 46136#L527-3 [2022-11-20 09:46:02,541 INFO L750 eck$LassoCheckResult]: Loop: 46136#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 46135#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 46136#L527-3 [2022-11-20 09:46:02,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:46:02,541 INFO L85 PathProgramCache]: Analyzing trace with hash -2109253901, now seen corresponding path program 42 times [2022-11-20 09:46:02,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:46:02,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522969543] [2022-11-20 09:46:02,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:46:02,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:46:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:46:03,824 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 435 proven. 557 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:46:03,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:46:03,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522969543] [2022-11-20 09:46:03,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522969543] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:46:03,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860015479] [2022-11-20 09:46:03,824 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-20 09:46:03,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:46:03,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:46:03,827 INFO L229 MonitoredProcess]: Starting monitored process 440 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:46:03,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39fbcd2b-a2a7-4bd8-b0c8-6cdd3ec0e2a8/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (440)] Waiting until timeout for monitored process [2022-11-20 09:46:05,316 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2022-11-20 09:46:05,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:46:05,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-20 09:46:05,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:46:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 496 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:46:06,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:46:07,245 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 496 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:46:07,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860015479] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:46:07,245 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:46:07,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 55 [2022-11-20 09:46:07,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016386886] [2022-11-20 09:46:07,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:46:07,246 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 09:46:07,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:46:07,246 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 42 times [2022-11-20 09:46:07,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:46:07,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173782986] [2022-11-20 09:46:07,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:46:07,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:46:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:46:07,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:46:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:46:07,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:46:07,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:46:07,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-11-20 09:46:07,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=707, Invalid=2373, Unknown=0, NotChecked=0, Total=3080 [2022-11-20 09:46:07,306 INFO L87 Difference]: Start difference. First operand 156 states and 191 transitions. cyclomatic complexity: 54 Second operand has 56 states, 55 states have (on average 3.8545454545454545) internal successors, (212), 56 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:46:08,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:46:08,293 INFO L93 Difference]: Finished difference Result 245 states and 298 transitions. [2022-11-20 09:46:08,293 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 245 states and 298 transitions. [2022-11-20 09:46:08,294 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:46:08,295 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 245 states to 163 states and 200 transitions. [2022-11-20 09:46:08,296 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-20 09:46:08,296 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-20 09:46:08,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 163 states and 200 transitions. [2022-11-20 09:46:08,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:46:08,296 INFO L218 hiAutomatonCegarLoop]: Abstraction has 163 states and 200 transitions. [2022-11-20 09:46:08,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states and 200 transitions. [2022-11-20 09:46:08,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 160. [2022-11-20 09:46:08,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 160 states have (on average 1.225) internal successors, (196), 159 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:46:08,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 196 transitions. [2022-11-20 09:46:08,299 INFO L240 hiAutomatonCegarLoop]: Abstraction has 160 states and 196 transitions. [2022-11-20 09:46:08,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-20 09:46:08,300 INFO L428 stractBuchiCegarLoop]: Abstraction has 160 states and 196 transitions. [2022-11-20 09:46:08,300 INFO L335 stractBuchiCegarLoop]: ======== Iteration 46 ============ [2022-11-20 09:46:08,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states and 196 transitions. [2022-11-20 09:46:08,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:46:08,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:46:08,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:46:08,302 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [17, 17, 17, 17, 17, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:46:08,302 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:46:08,302 INFO L748 eck$LassoCheckResult]: Stem: 47445#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 47446#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 47452#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 47458#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 47453#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 47454#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47455#L521 assume !(main_~val~0#1 < 0); 47449#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47450#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47451#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47456#L521 assume !(main_~val~0#1 < 0); 47598#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47597#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47596#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47595#L521 assume !(main_~val~0#1 < 0); 47594#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47593#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47592#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47591#L521 assume !(main_~val~0#1 < 0); 47590#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47589#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47588#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47587#L521 assume !(main_~val~0#1 < 0); 47586#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47585#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47584#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47583#L521 assume !(main_~val~0#1 < 0); 47582#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47581#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47580#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47579#L521 assume !(main_~val~0#1 < 0); 47578#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47577#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47576#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47575#L521 assume !(main_~val~0#1 < 0); 47574#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47573#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47572#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47571#L521 assume !(main_~val~0#1 < 0); 47570#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47569#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47568#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47567#L521 assume !(main_~val~0#1 < 0); 47566#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47565#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47564#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47563#L521 assume !(main_~val~0#1 < 0); 47562#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47561#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47560#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47559#L521 assume !(main_~val~0#1 < 0); 47558#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47557#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47556#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47555#L521 assume !(main_~val~0#1 < 0); 47554#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47553#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47552#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47551#L521 assume !(main_~val~0#1 < 0); 47550#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47549#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47548#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47547#L521 assume !(main_~val~0#1 < 0); 47546#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47545#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47544#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47543#L521 assume !(main_~val~0#1 < 0); 47542#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47541#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47540#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 47461#L521 assume !(main_~val~0#1 < 0); 47467#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 47464#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 47460#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 47459#L519-4 main_~j~0#1 := 0; 47447#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 47444#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47457#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47439#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47440#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 47448#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47538#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47537#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47536#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 47534#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47533#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47532#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47531#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 47529#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47528#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47527#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47526#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 47524#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47523#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47522#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47521#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 47519#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47518#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47517#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47516#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 47514#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47513#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47512#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47511#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 47509#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47508#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47507#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47506#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 47504#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47503#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47502#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47501#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 47499#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47498#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47497#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47496#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 47494#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47493#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47492#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47491#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 47489#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47488#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47487#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47486#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 47484#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47483#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47482#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47481#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 47479#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47478#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47477#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47476#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 47474#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47473#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47472#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47471#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 47470#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47466#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 47465#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 47462#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 47442#L527-3 [2022-11-20 09:46:08,303 INFO L750 eck$LassoCheckResult]: Loop: 47442#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 47441#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 47442#L527-3 [2022-11-20 09:46:08,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:46:08,303 INFO L85 PathProgramCache]: Analyzing trace with hash 2100319468, now seen corresponding path program 43 times [2022-11-20 09:46:08,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:46:08,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037025615] [2022-11-20 09:46:08,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:46:08,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:46:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:46:08,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:46:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:46:08,439 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:46:08,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:46:08,440 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 43 times [2022-11-20 09:46:08,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:46:08,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632866548] [2022-11-20 09:46:08,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:46:08,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:46:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:46:08,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:46:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:46:08,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:46:08,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:46:08,451 INFO L85 PathProgramCache]: Analyzing trace with hash -227618831, now seen corresponding path program 26 times [2022-11-20 09:46:08,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:46:08,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11581634] [2022-11-20 09:46:08,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:46:08,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:46:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:46:08,525 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:46:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:46:08,604 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace