./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/max10-1.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_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/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_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/max10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/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_f51ebfbc-ae3a-483c-8837-3378300ef081/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 1223a7fef027dae15fda123c8ce40ec49dc779b7d5d627ded9a670697417439e --- 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 12:18:54,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:18:54,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:18:54,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:18:54,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:18:54,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:18:54,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:18:54,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:18:54,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:18:54,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:18:54,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:18:54,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:18:54,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:18:54,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:18:54,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:18:54,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:18:54,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:18:54,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:18:54,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:18:54,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:18:54,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:18:54,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:18:54,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:18:54,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:18:54,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:18:54,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:18:54,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:18:54,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:18:54,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:18:54,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:18:54,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:18:54,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:18:54,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:18:54,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:18:54,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:18:54,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:18:54,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:18:54,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:18:54,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:18:54,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:18:54,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:18:54,723 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 12:18:54,780 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:18:54,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:18:54,782 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:18:54,782 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:18:54,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:18:54,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:18:54,784 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:18:54,785 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 12:18:54,785 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 12:18:54,786 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 12:18:54,787 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 12:18:54,787 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 12:18:54,788 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 12:18:54,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:18:54,788 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:18:54,789 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:18:54,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:18:54,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:18:54,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:18:54,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 12:18:54,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 12:18:54,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 12:18:54,791 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:18:54,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:18:54,791 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 12:18:54,792 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:18:54,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 12:18:54,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:18:54,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:18:54,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:18:54,794 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:18:54,796 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 12:18:54,797 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_f51ebfbc-ae3a-483c-8837-3378300ef081/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1223a7fef027dae15fda123c8ce40ec49dc779b7d5d627ded9a670697417439e [2022-11-20 12:18:55,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:18:55,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:18:55,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:18:55,182 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:18:55,182 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:18:55,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/reducercommutativity/max10-1.i [2022-11-20 12:18:58,957 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:18:59,300 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:18:59,301 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/sv-benchmarks/c/reducercommutativity/max10-1.i [2022-11-20 12:18:59,309 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/data/db816aa49/f2ab3247d8814d189707d1d69f798485/FLAG6f197ffe7 [2022-11-20 12:18:59,335 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/data/db816aa49/f2ab3247d8814d189707d1d69f798485 [2022-11-20 12:18:59,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:18:59,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:18:59,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:18:59,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:18:59,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:18:59,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:18:59" (1/1) ... [2022-11-20 12:18:59,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44dc755a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:59, skipping insertion in model container [2022-11-20 12:18:59,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:18:59" (1/1) ... [2022-11-20 12:18:59,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:18:59,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:18:59,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/sv-benchmarks/c/reducercommutativity/max10-1.i[1290,1303] [2022-11-20 12:18:59,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:18:59,604 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:18:59,631 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/sv-benchmarks/c/reducercommutativity/max10-1.i[1290,1303] [2022-11-20 12:18:59,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:18:59,648 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:18:59,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:59 WrapperNode [2022-11-20 12:18:59,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:18:59,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:18:59,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:18:59,650 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:18:59,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:59" (1/1) ... [2022-11-20 12:18:59,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:59" (1/1) ... [2022-11-20 12:18:59,697 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 132 [2022-11-20 12:18:59,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:18:59,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:18:59,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:18:59,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:18:59,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:59" (1/1) ... [2022-11-20 12:18:59,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:59" (1/1) ... [2022-11-20 12:18:59,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:59" (1/1) ... [2022-11-20 12:18:59,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:59" (1/1) ... [2022-11-20 12:18:59,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:59" (1/1) ... [2022-11-20 12:18:59,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:59" (1/1) ... [2022-11-20 12:18:59,729 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:59" (1/1) ... [2022-11-20 12:18:59,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:59" (1/1) ... [2022-11-20 12:18:59,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:18:59,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:18:59,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:18:59,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:18:59,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:59" (1/1) ... [2022-11-20 12:18:59,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:18:59,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:18:59,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:18:59,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 12:18:59,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:18:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:18:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:18:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:18:59,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:18:59,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:18:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:18:59,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:18:59,979 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:18:59,997 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:19:00,352 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:19:00,360 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:19:00,360 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 12:19:00,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:19:00 BoogieIcfgContainer [2022-11-20 12:19:00,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:19:00,364 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 12:19:00,364 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 12:19:00,369 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 12:19:00,370 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:19:00,370 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:18:59" (1/3) ... [2022-11-20 12:19:00,371 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65bcce84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:19:00, skipping insertion in model container [2022-11-20 12:19:00,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:19:00,372 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:59" (2/3) ... [2022-11-20 12:19:00,372 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65bcce84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:19:00, skipping insertion in model container [2022-11-20 12:19:00,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:19:00,373 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:19:00" (3/3) ... [2022-11-20 12:19:00,374 INFO L332 chiAutomizerObserver]: Analyzing ICFG max10-1.i [2022-11-20 12:19:00,444 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 12:19:00,445 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 12:19:00,445 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 12:19:00,445 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 12:19:00,445 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 12:19:00,445 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 12:19:00,446 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 12:19:00,446 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 12:19:00,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 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 12:19:00,475 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 16 [2022-11-20 12:19:00,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:19:00,475 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:19:00,481 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 12:19:00,482 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:19:00,482 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 12:19:00,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 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 12:19:00,485 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 16 [2022-11-20 12:19:00,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:19:00,486 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:19:00,486 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 12:19:00,486 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:19:00,496 INFO L748 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 16#L34-3true [2022-11-20 12:19:00,496 INFO L750 eck$LassoCheckResult]: Loop: 16#L34-3true assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 10#L34-2true main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 16#L34-3true [2022-11-20 12:19:00,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:00,504 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 12:19:00,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:00,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324956402] [2022-11-20 12:19:00,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:00,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:00,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:19:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:00,743 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:19:00,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:00,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-11-20 12:19:00,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:00,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191132309] [2022-11-20 12:19:00,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:00,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:00,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:19:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:00,772 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:19:00,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:00,774 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-11-20 12:19:00,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:00,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782517800] [2022-11-20 12:19:00,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:00,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:00,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:19:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:00,866 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:19:01,407 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:19:01,409 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:19:01,410 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:19:01,410 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:19:01,410 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:19:01,410 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:01,411 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:19:01,412 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:19:01,413 INFO L133 ssoRankerPreferences]: Filename of dumped script: max10-1.i_Iteration1_Lasso [2022-11-20 12:19:01,413 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:19:01,413 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:19:01,441 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:01,458 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:01,462 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 12:19:01,467 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:01,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:01,477 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 12:19:01,481 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 12:19:01,844 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:01,847 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:01,851 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:01,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:01,859 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:01,863 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:01,866 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:01,870 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:01,873 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:01,877 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:01,881 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:02,257 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:19:02,262 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:19:02,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:02,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:02,271 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:02,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 12:19:02,286 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 12:19:02,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:02,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:19:02,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:02,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:02,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:02,310 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:19:02,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:19:02,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:02,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:02,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:02,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:02,338 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:02,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:02,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:02,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:19:02,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 12:19:02,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:02,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:02,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:02,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:19:02,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:19:02,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:02,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:02,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:02,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:02,390 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:02,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 12:19:02,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:02,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:02,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:19:02,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:02,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:02,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:02,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:19:02,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:19:02,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:02,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:02,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:02,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:02,446 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:02,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 12:19:02,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:02,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:02,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:02,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:02,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:02,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:02,470 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:02,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:02,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:02,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:02,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:02,507 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:02,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 12:19:02,517 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 12:19:02,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:02,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:19:02,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:02,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:02,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:02,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:19:02,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:19:02,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:02,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:02,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:02,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:02,556 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:02,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:02,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 12:19:02,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:02,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:19:02,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:02,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:02,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:02,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:19:02,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:19:02,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:02,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:02,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:02,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:02,596 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:02,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:02,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 12:19:02,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:02,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:02,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:02,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:02,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:02,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:02,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:02,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:02,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:02,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:02,665 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:02,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:02,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 12:19:02,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:02,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:02,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:02,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:02,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:02,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:02,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:02,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:02,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:02,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:02,727 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:02,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:02,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 12:19:02,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:02,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:02,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:02,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:02,778 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:02,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:02,794 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:19:02,854 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2022-11-20 12:19:02,855 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-11-20 12:19:02,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:02,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:02,899 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:02,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 12:19:02,904 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:19:02,945 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:19:02,946 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:19:02,946 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 19*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 8*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2022-11-20 12:19:02,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:02,978 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-11-20 12:19:03,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:03,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:19:03,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:19:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:03,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:19:03,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:19:03,179 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 12:19:03,222 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 12:19:03,224 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states 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 12:19:03,402 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 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). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 119 transitions. Complement of second has 8 states. [2022-11-20 12:19:03,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 12:19:03,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states 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 12:19:03,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2022-11-20 12:19:03,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-20 12:19:03,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:19:03,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-20 12:19:03,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:19:03,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-20 12:19:03,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:19:03,423 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 119 transitions. [2022-11-20 12:19:03,433 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2022-11-20 12:19:03,446 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 25 states and 33 transitions. [2022-11-20 12:19:03,450 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2022-11-20 12:19:03,450 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-11-20 12:19:03,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 33 transitions. [2022-11-20 12:19:03,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:19:03,452 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2022-11-20 12:19:03,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 33 transitions. [2022-11-20 12:19:03,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-20 12:19:03,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states 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 12:19:03,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2022-11-20 12:19:03,488 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2022-11-20 12:19:03,488 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2022-11-20 12:19:03,488 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 12:19:03,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2022-11-20 12:19:03,491 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2022-11-20 12:19:03,492 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:19:03,492 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:19:03,492 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 12:19:03,492 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:19:03,493 INFO L748 eck$LassoCheckResult]: Stem: 176#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 177#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 187#L34-3 assume !(main_~i~1#1 < 10); 180#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 181#L20-3 [2022-11-20 12:19:03,493 INFO L750 eck$LassoCheckResult]: Loop: 181#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 194#L21 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 195#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 196#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 181#L20-3 [2022-11-20 12:19:03,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:03,496 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2022-11-20 12:19:03,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:03,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550028523] [2022-11-20 12:19:03,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:03,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:03,629 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 12:19:03,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:19:03,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550028523] [2022-11-20 12:19:03,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550028523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:19:03,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:19:03,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:19:03,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539854085] [2022-11-20 12:19:03,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:19:03,635 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:19:03,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:03,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 1 times [2022-11-20 12:19:03,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:03,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795700188] [2022-11-20 12:19:03,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:03,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:03,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:19:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:03,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:19:03,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:19:03,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:19:03,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:19:03,772 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states 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 12:19:03,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:19:03,800 INFO L93 Difference]: Finished difference Result 26 states and 33 transitions. [2022-11-20 12:19:03,800 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 33 transitions. [2022-11-20 12:19:03,805 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2022-11-20 12:19:03,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 33 transitions. [2022-11-20 12:19:03,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-11-20 12:19:03,808 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-11-20 12:19:03,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 33 transitions. [2022-11-20 12:19:03,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:19:03,808 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-11-20 12:19:03,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 33 transitions. [2022-11-20 12:19:03,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2022-11-20 12:19:03,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.28) internal successors, (32), 24 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 12:19:03,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2022-11-20 12:19:03,815 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 32 transitions. [2022-11-20 12:19:03,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:19:03,817 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2022-11-20 12:19:03,818 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 12:19:03,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2022-11-20 12:19:03,822 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2022-11-20 12:19:03,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:19:03,822 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:19:03,823 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-20 12:19:03,823 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:19:03,823 INFO L748 eck$LassoCheckResult]: Stem: 233#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 234#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 244#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 247#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 248#L34-3 assume !(main_~i~1#1 < 10); 237#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 238#L20-3 [2022-11-20 12:19:03,823 INFO L750 eck$LassoCheckResult]: Loop: 238#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 251#L21 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 252#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 253#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 238#L20-3 [2022-11-20 12:19:03,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:03,839 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2022-11-20 12:19:03,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:03,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845596237] [2022-11-20 12:19:03,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:03,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:03,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:04,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:19:04,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:19:04,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845596237] [2022-11-20 12:19:04,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845596237] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:19:04,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055462380] [2022-11-20 12:19:04,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:04,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:19:04,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:04,010 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:19:04,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-20 12:19:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:04,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:19:04,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:19:04,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:19:04,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:19:04,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:19:04,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055462380] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:19:04,139 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:19:04,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-20 12:19:04,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180899579] [2022-11-20 12:19:04,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:19:04,140 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:19:04,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:04,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 2 times [2022-11-20 12:19:04,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:04,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300591219] [2022-11-20 12:19:04,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:04,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:04,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:19:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:04,169 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:19:04,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:19:04,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:19:04,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:19:04,283 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:19:04,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:19:04,315 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2022-11-20 12:19:04,316 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2022-11-20 12:19:04,316 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2022-11-20 12:19:04,317 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 38 transitions. [2022-11-20 12:19:04,317 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-11-20 12:19:04,317 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-11-20 12:19:04,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2022-11-20 12:19:04,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:19:04,318 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 38 transitions. [2022-11-20 12:19:04,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2022-11-20 12:19:04,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-11-20 12:19:04,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 30 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 12:19:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2022-11-20 12:19:04,331 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 38 transitions. [2022-11-20 12:19:04,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:19:04,332 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2022-11-20 12:19:04,332 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 12:19:04,333 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. [2022-11-20 12:19:04,333 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2022-11-20 12:19:04,333 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:19:04,333 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:19:04,334 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2022-11-20 12:19:04,334 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:19:04,334 INFO L748 eck$LassoCheckResult]: Stem: 329#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 330#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 340#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 343#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 344#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 352#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 357#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 356#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 355#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 354#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 353#L34-3 assume !(main_~i~1#1 < 10); 333#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 334#L20-3 [2022-11-20 12:19:04,335 INFO L750 eck$LassoCheckResult]: Loop: 334#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 347#L21 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 348#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 349#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 334#L20-3 [2022-11-20 12:19:04,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:04,335 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2022-11-20 12:19:04,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:04,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803654583] [2022-11-20 12:19:04,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:04,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:04,568 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:19:04,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:19:04,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803654583] [2022-11-20 12:19:04,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803654583] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:19:04,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537865975] [2022-11-20 12:19:04,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:19:04,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:19:04,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:04,572 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:19:04,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-20 12:19:04,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 12:19:04,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:19:04,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:19:04,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:19:04,705 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:19:04,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:19:04,814 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:19:04,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537865975] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:19:04,815 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:19:04,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-11-20 12:19:04,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121043094] [2022-11-20 12:19:04,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:19:04,816 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:19:04,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:04,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 3 times [2022-11-20 12:19:04,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:04,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396845611] [2022-11-20 12:19:04,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:04,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:04,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:19:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:04,830 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:19:04,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:19:04,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 12:19:04,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-20 12:19:04,909 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. cyclomatic complexity: 12 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 states have internal predecessors, (25), 0 states have call successors, (0), 0 states 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 12:19:04,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:19:04,980 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2022-11-20 12:19:04,980 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 50 transitions. [2022-11-20 12:19:04,981 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2022-11-20 12:19:04,982 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 50 transitions. [2022-11-20 12:19:04,982 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-11-20 12:19:04,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-11-20 12:19:04,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 50 transitions. [2022-11-20 12:19:04,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:19:04,983 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 50 transitions. [2022-11-20 12:19:04,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 50 transitions. [2022-11-20 12:19:04,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-20 12:19:04,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 42 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 12:19:04,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2022-11-20 12:19:04,987 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 50 transitions. [2022-11-20 12:19:04,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 12:19:04,989 INFO L428 stractBuchiCegarLoop]: Abstraction has 43 states and 50 transitions. [2022-11-20 12:19:04,989 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-20 12:19:04,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 50 transitions. [2022-11-20 12:19:04,990 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2022-11-20 12:19:04,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:19:04,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:19:04,991 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1] [2022-11-20 12:19:04,991 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:19:04,992 INFO L748 eck$LassoCheckResult]: Stem: 487#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 488#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 496#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 508#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 509#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 499#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 500#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 525#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 524#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 523#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 522#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 521#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 520#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 519#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 518#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 517#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 516#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 515#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 514#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 513#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 512#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 511#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 510#L34-3 assume !(main_~i~1#1 < 10); 489#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 490#L20-3 [2022-11-20 12:19:04,992 INFO L750 eck$LassoCheckResult]: Loop: 490#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 503#L21 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 504#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 505#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 490#L20-3 [2022-11-20 12:19:04,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:04,992 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272351, now seen corresponding path program 3 times [2022-11-20 12:19:04,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:04,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391813278] [2022-11-20 12:19:04,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:04,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:05,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:19:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:05,074 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:19:05,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:05,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 4 times [2022-11-20 12:19:05,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:05,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084237688] [2022-11-20 12:19:05,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:05,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:05,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:19:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:05,109 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:19:05,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:05,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1776090044, now seen corresponding path program 1 times [2022-11-20 12:19:05,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:05,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245364678] [2022-11-20 12:19:05,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:05,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:05,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:19:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:05,227 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:19:11,810 WARN L233 SmtUtils]: Spent 6.51s on a formula simplification. DAG size of input: 215 DAG size of output: 169 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:19:12,302 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:19:12,303 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:19:12,303 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:19:12,303 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:19:12,303 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:19:12,303 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:12,303 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:19:12,303 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:19:12,303 INFO L133 ssoRankerPreferences]: Filename of dumped script: max10-1.i_Iteration5_Lasso [2022-11-20 12:19:12,303 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:19:12,304 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:19:12,308 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 12:19:12,312 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:12,316 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:12,320 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:12,324 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:12,328 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:12,331 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:12,334 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 12:19:12,338 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:12,342 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:12,345 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:12,349 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:12,352 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:12,355 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:12,358 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:12,361 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:13,814 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:13,817 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:13,819 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 12:19:13,821 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:13,824 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:13,826 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:13,829 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:13,831 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:14,330 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:19:14,330 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:19:14,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:14,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:14,336 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:14,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 12:19:14,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:14,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:14,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:19:14,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:14,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:14,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:14,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:19:14,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:19:14,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:14,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:14,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:14,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:14,403 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:14,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:14,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 12:19:14,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:14,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:19:14,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:14,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:14,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:14,422 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:19:14,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:19:14,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:14,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:14,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:14,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:14,473 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:14,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 12:19:14,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:14,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:14,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:14,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:14,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:14,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:14,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:14,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:14,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:14,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:14,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:14,516 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:14,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 12:19:14,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:14,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:14,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:19:14,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:14,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:14,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:14,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:19:14,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:19:14,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:14,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:14,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:14,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:14,569 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:14,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 12:19:14,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:14,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:14,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:19:14,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:14,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:14,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:14,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:19:14,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:19:14,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:14,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:14,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:14,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:14,621 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:14,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:14,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 12:19:14,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:14,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:19:14,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:14,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:14,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:14,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:19:14,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:19:14,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:14,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:14,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:14,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:14,690 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:14,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 12:19:14,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:14,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:14,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:19:14,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:14,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:14,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:14,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:19:14,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:19:14,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:14,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:14,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:14,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:14,743 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:14,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 12:19:14,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:14,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:14,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:14,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:14,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:14,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:14,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:14,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:14,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:14,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:14,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:14,796 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:14,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 12:19:14,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:14,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:14,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:19:14,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:14,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:14,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:14,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:19:14,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:19:14,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:14,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:14,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:14,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:14,824 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:14,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:14,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-20 12:19:14,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:14,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:19:14,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:14,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:14,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:14,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:19:14,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:19:14,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:14,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:14,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:14,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:14,858 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:14,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 12:19:14,876 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 12:19:14,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:14,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:19:14,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:14,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:14,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:14,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:19:14,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:19:14,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:14,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-11-20 12:19:14,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:14,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:14,897 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:14,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 12:19:14,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:14,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:14,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:19:14,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:14,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:14,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:14,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:19:14,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:19:14,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:14,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-20 12:19:14,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:14,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:14,924 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:14,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 12:19:14,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:14,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:14,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:19:14,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:14,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:14,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:14,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:19:14,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:19:14,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:14,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:14,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:14,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:14,952 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:14,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 12:19:14,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:14,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:14,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:19:14,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:14,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:14,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:14,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:19:14,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:19:14,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:14,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-11-20 12:19:14,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:14,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:14,999 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:15,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 12:19:15,003 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 12:19:15,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:15,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:19:15,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:15,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:15,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:15,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:19:15,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:19:15,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:15,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-20 12:19:15,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:15,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:15,023 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:15,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-20 12:19:15,029 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 12:19:15,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:15,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:15,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:15,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:15,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:15,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:15,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:15,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:15,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:15,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:15,080 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:15,087 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 12:19:15,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-20 12:19:15,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:15,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:15,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:15,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:15,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:15,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:15,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:15,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:15,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:15,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:15,142 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:15,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:15,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-20 12:19:15,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:15,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:15,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:15,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:15,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:15,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:15,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:15,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:15,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:15,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:15,203 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:15,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:15,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-20 12:19:15,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:15,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:15,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:15,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:15,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:15,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:15,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:15,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:15,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:15,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:15,258 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:15,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:15,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-20 12:19:15,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:15,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:15,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:15,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:15,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:15,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:15,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:15,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:15,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:15,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:15,317 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:15,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:15,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-20 12:19:15,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:15,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:15,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:15,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:15,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:15,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:15,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:15,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:15,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:15,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:15,378 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:15,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:15,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-20 12:19:15,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:15,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:15,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:15,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:15,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:15,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:15,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:15,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:15,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:15,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:15,425 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:15,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-20 12:19:15,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:15,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:15,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:15,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:15,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:15,449 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:15,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:15,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:15,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:15,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:15,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:15,474 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:15,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-20 12:19:15,479 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 12:19:15,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:15,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:15,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:15,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:15,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:15,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:15,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:15,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:15,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:15,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:15,513 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:15,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-20 12:19:15,520 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 12:19:15,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:15,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:15,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:15,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:15,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:15,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:15,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:15,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:15,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:15,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:15,578 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:15,583 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 12:19:15,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-20 12:19:15,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:15,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:15,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:15,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:15,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:15,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:15,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:15,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:15,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:15,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:15,632 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:15,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:15,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-20 12:19:15,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:15,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:15,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:15,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:15,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:15,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:15,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:15,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:15,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:15,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:15,690 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:15,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-20 12:19:15,694 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 12:19:15,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:15,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:15,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:15,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:15,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:15,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:15,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:15,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-11-20 12:19:15,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:15,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:15,728 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:15,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-20 12:19:15,732 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 12:19:15,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:15,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:15,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:15,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:15,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:15,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:15,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:19:15,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-20 12:19:15,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:15,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:15,783 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:15,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:19:15,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:19:15,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:19:15,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:19:15,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:19:15,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-20 12:19:15,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:19:15,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:19:15,826 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:19:15,882 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2022-11-20 12:19:15,882 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 15 variables to zero. [2022-11-20 12:19:15,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:15,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:15,890 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:19:15,891 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:19:15,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-20 12:19:15,912 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:19:15,913 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:19:15,913 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_max_~i~0#1) = -2*ULTIMATE.start_max_~i~0#1 + 19 Supporting invariants [] [2022-11-20 12:19:15,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:16,098 INFO L156 tatePredicateManager]: 38 out of 38 supporting invariants were superfluous and have been removed [2022-11-20 12:19:16,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:16,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:19:16,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:19:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:16,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:19:16,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:19:16,238 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 12:19:16,239 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 12:19:16,239 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 50 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:19:16,261 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 50 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 60 transitions. Complement of second has 7 states. [2022-11-20 12:19:16,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 12:19:16,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:19:16,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2022-11-20 12:19:16,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 24 letters. Loop has 4 letters. [2022-11-20 12:19:16,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:19:16,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 28 letters. Loop has 4 letters. [2022-11-20 12:19:16,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:19:16,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 24 letters. Loop has 8 letters. [2022-11-20 12:19:16,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:19:16,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 60 transitions. [2022-11-20 12:19:16,267 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-11-20 12:19:16,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 44 states and 52 transitions. [2022-11-20 12:19:16,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-11-20 12:19:16,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-20 12:19:16,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 52 transitions. [2022-11-20 12:19:16,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:19:16,269 INFO L218 hiAutomatonCegarLoop]: Abstraction has 44 states and 52 transitions. [2022-11-20 12:19:16,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 52 transitions. [2022-11-20 12:19:16,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-20 12:19:16,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 43 states have internal predecessors, (52), 0 states have call successors, (0), 0 states 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 12:19:16,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2022-11-20 12:19:16,272 INFO L240 hiAutomatonCegarLoop]: Abstraction has 44 states and 52 transitions. [2022-11-20 12:19:16,273 INFO L428 stractBuchiCegarLoop]: Abstraction has 44 states and 52 transitions. [2022-11-20 12:19:16,273 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-20 12:19:16,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 52 transitions. [2022-11-20 12:19:16,274 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-11-20 12:19:16,274 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:19:16,274 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:19:16,275 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:19:16,275 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:19:16,275 INFO L748 eck$LassoCheckResult]: Stem: 836#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 837#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 847#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 860#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 861#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 850#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 851#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 877#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 876#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 875#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 874#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 873#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 872#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 871#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 870#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 869#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 868#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 867#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 866#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 865#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 864#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 863#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 862#L34-3 assume !(main_~i~1#1 < 10); 840#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 841#L20-3 assume !(max_~i~0#1 < 10); 848#L20-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 849#L23 main_#t~ret7#1 := max_#res#1;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 846#L20-8 [2022-11-20 12:19:16,276 INFO L750 eck$LassoCheckResult]: Loop: 846#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 834#L21-3 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 835#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 852#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 846#L20-8 [2022-11-20 12:19:16,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:16,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1328178489, now seen corresponding path program 1 times [2022-11-20 12:19:16,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:16,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133405360] [2022-11-20 12:19:16,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:16,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:16,353 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 12:19:16,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:19:16,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133405360] [2022-11-20 12:19:16,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133405360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:19:16,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:19:16,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:19:16,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181596712] [2022-11-20 12:19:16,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:19:16,354 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:19:16,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:16,355 INFO L85 PathProgramCache]: Analyzing trace with hash 2373478, now seen corresponding path program 1 times [2022-11-20 12:19:16,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:16,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022378262] [2022-11-20 12:19:16,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:16,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:16,360 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:19:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:16,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:19:16,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:19:16,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:19:16,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:19:16,435 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 12:19:16,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:16,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:19:16,501 INFO L93 Difference]: Finished difference Result 55 states and 65 transitions. [2022-11-20 12:19:16,501 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 65 transitions. [2022-11-20 12:19:16,502 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-11-20 12:19:16,502 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 55 states and 65 transitions. [2022-11-20 12:19:16,502 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2022-11-20 12:19:16,502 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2022-11-20 12:19:16,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 65 transitions. [2022-11-20 12:19:16,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:19:16,503 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 65 transitions. [2022-11-20 12:19:16,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 65 transitions. [2022-11-20 12:19:16,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 45. [2022-11-20 12:19:16,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 44 states have internal predecessors, (52), 0 states have call successors, (0), 0 states 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 12:19:16,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2022-11-20 12:19:16,507 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 52 transitions. [2022-11-20 12:19:16,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:19:16,508 INFO L428 stractBuchiCegarLoop]: Abstraction has 45 states and 52 transitions. [2022-11-20 12:19:16,509 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-20 12:19:16,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 52 transitions. [2022-11-20 12:19:16,509 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-11-20 12:19:16,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:19:16,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:19:16,511 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:19:16,511 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:19:16,511 INFO L748 eck$LassoCheckResult]: Stem: 943#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 944#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 952#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 955#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 956#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 966#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 983#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 982#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 981#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 980#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 979#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 978#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 977#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 976#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 975#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 974#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 973#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 972#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 971#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 970#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 969#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 968#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 967#L34-3 assume !(main_~i~1#1 < 10); 945#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 946#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 959#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 961#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 962#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 960#L20-3 assume !(max_~i~0#1 < 10); 953#L20-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 954#L23 main_#t~ret7#1 := max_#res#1;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 951#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 939#L21-3 [2022-11-20 12:19:16,511 INFO L750 eck$LassoCheckResult]: Loop: 939#L21-3 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 940#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 957#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 965#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 939#L21-3 [2022-11-20 12:19:16,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:16,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1922451645, now seen corresponding path program 1 times [2022-11-20 12:19:16,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:16,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570556485] [2022-11-20 12:19:16,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:16,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 12:19:16,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:19:16,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570556485] [2022-11-20 12:19:16,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570556485] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:19:16,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729530659] [2022-11-20 12:19:16,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:16,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:19:16,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:16,613 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:19:16,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-11-20 12:19:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:16,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:19:16,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:19:16,775 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 12:19:16,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:19:16,801 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-20 12:19:16,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729530659] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:19:16,801 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:19:16,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-20 12:19:16,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593769127] [2022-11-20 12:19:16,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:19:16,803 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:19:16,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:16,803 INFO L85 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 2 times [2022-11-20 12:19:16,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:16,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919900886] [2022-11-20 12:19:16,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:16,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:16,810 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:19:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:16,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:19:16,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:19:16,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:19:16,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:19:16,935 INFO L87 Difference]: Start difference. First operand 45 states and 52 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states 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 12:19:17,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:19:17,060 INFO L93 Difference]: Finished difference Result 82 states and 98 transitions. [2022-11-20 12:19:17,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 98 transitions. [2022-11-20 12:19:17,062 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-11-20 12:19:17,063 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 82 states and 98 transitions. [2022-11-20 12:19:17,063 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2022-11-20 12:19:17,063 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2022-11-20 12:19:17,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 82 states and 98 transitions. [2022-11-20 12:19:17,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:19:17,064 INFO L218 hiAutomatonCegarLoop]: Abstraction has 82 states and 98 transitions. [2022-11-20 12:19:17,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states and 98 transitions. [2022-11-20 12:19:17,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 69. [2022-11-20 12:19:17,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.1884057971014492) internal successors, (82), 68 states have internal predecessors, (82), 0 states have call successors, (0), 0 states 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 12:19:17,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 82 transitions. [2022-11-20 12:19:17,070 INFO L240 hiAutomatonCegarLoop]: Abstraction has 69 states and 82 transitions. [2022-11-20 12:19:17,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:19:17,071 INFO L428 stractBuchiCegarLoop]: Abstraction has 69 states and 82 transitions. [2022-11-20 12:19:17,071 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-20 12:19:17,071 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 82 transitions. [2022-11-20 12:19:17,072 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-11-20 12:19:17,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:19:17,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:19:17,074 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:19:17,074 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:19:17,075 INFO L748 eck$LassoCheckResult]: Stem: 1264#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1265#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1275#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1278#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1279#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1291#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1320#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1319#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1317#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1315#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1312#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1311#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1309#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1307#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1305#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1303#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1302#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1300#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1298#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1295#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1294#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1293#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1292#L34-3 assume !(main_~i~1#1 < 10); 1268#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1269#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1282#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1327#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1325#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1283#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1284#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1285#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1286#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1287#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1310#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1308#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1306#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1304#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1297#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1301#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1299#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1296#L20-3 assume !(max_~i~0#1 < 10); 1276#L20-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 1277#L23 main_#t~ret7#1 := max_#res#1;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1274#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1262#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1263#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1280#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1290#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1330#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1329#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1328#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1326#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1324#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1323#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1322#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1321#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1314#L21-3 [2022-11-20 12:19:17,075 INFO L750 eck$LassoCheckResult]: Loop: 1314#L21-3 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 1318#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1316#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1313#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1314#L21-3 [2022-11-20 12:19:17,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:17,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1948283363, now seen corresponding path program 1 times [2022-11-20 12:19:17,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:17,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937261022] [2022-11-20 12:19:17,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:17,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:17,262 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-20 12:19:17,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:19:17,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937261022] [2022-11-20 12:19:17,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937261022] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:19:17,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865251839] [2022-11-20 12:19:17,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:17,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:19:17,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:17,264 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:19:17,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2022-11-20 12:19:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:17,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:19:17,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:19:17,477 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-20 12:19:17,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:19:17,576 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-20 12:19:17,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865251839] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:19:17,577 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:19:17,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-11-20 12:19:17,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091114607] [2022-11-20 12:19:17,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:19:17,580 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:19:17,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:17,580 INFO L85 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 3 times [2022-11-20 12:19:17,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:17,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108574524] [2022-11-20 12:19:17,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:17,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:17,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:19:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:17,591 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:19:17,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:19:17,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 12:19:17,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-20 12:19:17,731 INFO L87 Difference]: Start difference. First operand 69 states and 82 transitions. cyclomatic complexity: 18 Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 0 states have call successors, (0), 0 states 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 12:19:18,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:19:18,041 INFO L93 Difference]: Finished difference Result 154 states and 188 transitions. [2022-11-20 12:19:18,042 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 188 transitions. [2022-11-20 12:19:18,043 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-11-20 12:19:18,045 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 154 states and 188 transitions. [2022-11-20 12:19:18,045 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 94 [2022-11-20 12:19:18,045 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 94 [2022-11-20 12:19:18,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 188 transitions. [2022-11-20 12:19:18,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:19:18,046 INFO L218 hiAutomatonCegarLoop]: Abstraction has 154 states and 188 transitions. [2022-11-20 12:19:18,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states and 188 transitions. [2022-11-20 12:19:18,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 117. [2022-11-20 12:19:18,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 117 states have (on average 1.2136752136752136) internal successors, (142), 116 states have internal predecessors, (142), 0 states have call successors, (0), 0 states 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 12:19:18,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 142 transitions. [2022-11-20 12:19:18,054 INFO L240 hiAutomatonCegarLoop]: Abstraction has 117 states and 142 transitions. [2022-11-20 12:19:18,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 12:19:18,055 INFO L428 stractBuchiCegarLoop]: Abstraction has 117 states and 142 transitions. [2022-11-20 12:19:18,055 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-20 12:19:18,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 117 states and 142 transitions. [2022-11-20 12:19:18,057 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-11-20 12:19:18,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:19:18,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:19:18,060 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:19:18,060 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:19:18,061 INFO L748 eck$LassoCheckResult]: Stem: 1833#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1834#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1845#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1848#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1849#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1861#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1891#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1889#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1887#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1885#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1883#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1881#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1879#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1877#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1875#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1873#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1872#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1870#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1868#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1865#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1864#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1863#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1862#L34-3 assume !(main_~i~1#1 < 10); 1837#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1838#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1852#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1855#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1856#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1853#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1854#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1931#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1929#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1927#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1925#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1923#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1921#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1919#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1917#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1915#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1913#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1911#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1909#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1907#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1905#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1903#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1902#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1900#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1898#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1895#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1894#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1893#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1892#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1890#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1888#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1886#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1884#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1882#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1880#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1878#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1876#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1874#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1867#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1871#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1869#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1866#L20-3 assume !(max_~i~0#1 < 10); 1846#L20-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 1847#L23 main_#t~ret7#1 := max_#res#1;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1843#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1844#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1947#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1859#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1860#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1831#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1832#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1850#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1946#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1945#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1944#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1943#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1942#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1941#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1940#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1939#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1938#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1937#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1936#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1935#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1934#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1933#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1932#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1930#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1928#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1926#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1924#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1922#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1920#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1918#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1916#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1914#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1912#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1910#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1908#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1906#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1904#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1897#L21-3 [2022-11-20 12:19:18,061 INFO L750 eck$LassoCheckResult]: Loop: 1897#L21-3 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 1901#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1899#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1896#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1897#L21-3 [2022-11-20 12:19:18,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:18,062 INFO L85 PathProgramCache]: Analyzing trace with hash 2012806109, now seen corresponding path program 2 times [2022-11-20 12:19:18,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:18,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214729695] [2022-11-20 12:19:18,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:18,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:18,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:19:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:18,285 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:19:18,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:18,287 INFO L85 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 4 times [2022-11-20 12:19:18,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:18,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784987635] [2022-11-20 12:19:18,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:18,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:18,294 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:19:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:18,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:19:18,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:18,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1723510376, now seen corresponding path program 1 times [2022-11-20 12:19:18,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:18,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610417517] [2022-11-20 12:19:18,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:18,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:18,862 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 153 proven. 37 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-20 12:19:18,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:19:18,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610417517] [2022-11-20 12:19:18,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610417517] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:19:18,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180214984] [2022-11-20 12:19:18,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:18,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:19:18,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:19:18,871 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:19:18,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2022-11-20 12:19:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:19,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 12:19:19,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:19:19,171 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-20 12:19:19,172 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:19:19,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180214984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:19:19,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:19:19,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 13 [2022-11-20 12:19:19,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145071199] [2022-11-20 12:19:19,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:19:19,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:19:19,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 12:19:19,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2022-11-20 12:19:19,280 INFO L87 Difference]: Start difference. First operand 117 states and 142 transitions. cyclomatic complexity: 30 Second operand has 13 states, 12 states have (on average 4.5) internal successors, (54), 13 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 12:19:19,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:19:19,607 INFO L93 Difference]: Finished difference Result 154 states and 185 transitions. [2022-11-20 12:19:19,607 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 185 transitions. [2022-11-20 12:19:19,612 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:19:19,613 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 112 states and 133 transitions. [2022-11-20 12:19:19,614 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2022-11-20 12:19:19,614 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2022-11-20 12:19:19,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 112 states and 133 transitions. [2022-11-20 12:19:19,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:19:19,622 INFO L218 hiAutomatonCegarLoop]: Abstraction has 112 states and 133 transitions. [2022-11-20 12:19:19,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states and 133 transitions. [2022-11-20 12:19:19,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2022-11-20 12:19:19,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 112 states have (on average 1.1875) internal successors, (133), 111 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 12:19:19,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 133 transitions. [2022-11-20 12:19:19,641 INFO L240 hiAutomatonCegarLoop]: Abstraction has 112 states and 133 transitions. [2022-11-20 12:19:19,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 12:19:19,644 INFO L428 stractBuchiCegarLoop]: Abstraction has 112 states and 133 transitions. [2022-11-20 12:19:19,644 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-20 12:19:19,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states and 133 transitions. [2022-11-20 12:19:19,648 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 12:19:19,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:19:19,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:19:19,650 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:19:19,653 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:19:19,654 INFO L748 eck$LassoCheckResult]: Stem: 2446#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 2447#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 2453#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 2456#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2457#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 2464#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2498#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 2496#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2494#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 2492#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2490#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 2488#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2486#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 2484#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2482#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 2480#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2478#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 2476#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2474#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 2472#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2470#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 2467#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2466#L34-3 assume !(main_~i~1#1 < 10); 2448#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 2449#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2459#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2460#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2461#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2462#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2553#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2552#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2551#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2550#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2549#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2548#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2547#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2546#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2545#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2544#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2543#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2542#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2541#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2540#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2539#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2538#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2537#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2536#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2535#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2534#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2533#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2532#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2530#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2528#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2526#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2524#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2522#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2520#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2518#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2516#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2514#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2512#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2510#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2508#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2506#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2504#L20-3 assume !(max_~i~0#1 < 10); 2454#L20-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 2455#L23 main_#t~ret7#1 := max_#res#1;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 2452#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2442#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2443#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2458#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2463#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2531#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2529#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2527#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2525#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2523#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2521#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2519#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2517#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2515#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2513#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2511#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2509#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2507#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2505#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2503#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2502#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2501#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2500#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2499#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2497#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2495#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2493#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2491#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2489#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2487#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2485#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2483#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2481#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2479#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2477#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2475#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2473#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2471#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2469#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 2468#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2465#L20-8 assume !(max_~i~0#1 < 10); 2444#L20-9 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 2445#L23-1 main_#t~ret10#1 := max_#res#1;assume { :end_inline_max } true;main_~ret2~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1;call main_#t~mem11#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem11#1;havoc main_#t~mem11#1;main_~i~2#1 := 0; 2451#L43-3 [2022-11-20 12:19:19,654 INFO L750 eck$LassoCheckResult]: Loop: 2451#L43-3 assume !!(main_~i~2#1 < 9);call main_#t~mem13#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int(main_#t~mem13#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem13#1; 2450#L43-2 main_#t~post12#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 2451#L43-3 [2022-11-20 12:19:19,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:19,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1621163222, now seen corresponding path program 1 times [2022-11-20 12:19:19,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:19,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226985713] [2022-11-20 12:19:19,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:19,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:19,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:19:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:19,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:19:19,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:19,846 INFO L85 PathProgramCache]: Analyzing trace with hash 3203, now seen corresponding path program 1 times [2022-11-20 12:19:19,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:19,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103778845] [2022-11-20 12:19:19,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:19,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:19,855 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:19:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:19,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:19:19,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:19,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1135269864, now seen corresponding path program 1 times [2022-11-20 12:19:19,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:19:19,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089052922] [2022-11-20 12:19:19,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:19,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:19:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:20,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:19:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:19:20,103 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:19:52,303 WARN L233 SmtUtils]: Spent 32.10s on a formula simplification. DAG size of input: 641 DAG size of output: 485 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 12:19:56,579 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:19:56,580 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:19:56,580 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:19:56,580 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:19:56,580 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:19:56,580 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:19:56,580 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:19:56,580 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:19:56,580 INFO L133 ssoRankerPreferences]: Filename of dumped script: max10-1.i_Iteration10_Lasso [2022-11-20 12:19:56,580 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:19:56,580 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:19:56,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:56,597 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:56,601 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:56,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:56,607 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 12:19:56,612 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 12:19:56,614 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 12:19:56,617 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:56,620 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 12:19:56,623 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 12:19:56,629 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:56,631 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 12:19:56,635 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 12:19:56,638 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:19:56,641 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 12:19:56,644 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:20:01,579 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:20:01,582 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 12:20:01,584 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 12:20:01,586 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 12:20:02,611 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:20:02,612 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:20:02,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:02,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:02,617 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:02,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-20 12:20:02,619 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 12:20:02,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:02,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:20:02,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:02,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:02,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:02,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:20:02,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:20:02,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:02,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:02,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:02,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:02,640 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:02,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-20 12:20:02,643 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 12:20:02,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:02,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:02,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:02,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:02,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:02,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:02,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:02,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-11-20 12:20:02,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:02,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:02,667 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:02,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-20 12:20:02,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:02,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:02,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:20:02,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:02,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:02,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:02,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:20:02,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:20:02,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:02,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:02,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:02,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:02,690 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:02,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-20 12:20:02,693 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 12:20:02,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:02,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:20:02,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:02,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:02,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:02,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:20:02,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:20:02,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:02,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:02,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:02,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:02,713 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:02,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-20 12:20:02,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:02,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:02,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:20:02,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:02,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:02,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:02,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:20:02,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:20:02,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:02,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:02,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:02,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:02,742 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:02,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-20 12:20:02,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:02,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:02,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:20:02,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:02,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:02,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:02,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:20:02,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:20:02,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:02,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-11-20 12:20:02,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:02,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:02,768 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:02,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-20 12:20:02,773 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 12:20:02,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:02,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:20:02,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:02,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:02,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:02,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:20:02,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:20:02,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:02,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:02,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:02,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:02,790 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:02,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-20 12:20:02,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:02,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:02,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:20:02,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:02,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:02,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:02,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:20:02,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:20:02,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:02,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:02,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:02,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:02,817 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:02,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-20 12:20:02,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:02,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:02,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:20:02,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:02,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:02,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:02,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:20:02,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:20:02,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:02,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:02,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:02,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:02,840 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:02,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-20 12:20:02,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:02,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:02,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:02,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:02,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:02,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:02,855 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:02,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:02,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:02,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:02,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:02,883 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:02,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:02,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-20 12:20:02,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:02,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:20:02,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:02,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:02,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:02,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:20:02,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:20:02,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:02,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:02,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:02,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:02,928 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:02,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:02,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-20 12:20:02,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:02,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:02,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:02,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:02,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:02,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:02,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:02,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:02,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:02,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:02,977 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:02,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:02,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-20 12:20:02,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:02,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:20:02,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:02,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:02,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:02,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:20:02,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:20:03,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:03,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,029 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:03,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-20 12:20:03,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:20:03,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:20:03,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:20:03,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-11-20 12:20:03,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,055 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:03,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-20 12:20:03,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:20:03,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:20:03,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:20:03,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-11-20 12:20:03,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,086 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-20 12:20:03,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:03,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,105 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:03,105 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:03,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-11-20 12:20:03,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,116 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-20 12:20:03,119 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 12:20:03,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:03,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:03,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:03,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,143 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-20 12:20:03,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:03,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:03,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:03,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-11-20 12:20:03,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,171 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-20 12:20:03,174 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 12:20:03,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:03,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:03,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-11-20 12:20:03,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,200 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-20 12:20:03,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:03,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:03,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:03,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-11-20 12:20:03,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,232 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-20 12:20:03,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:03,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,251 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:03,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:03,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2022-11-20 12:20:03,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,265 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-20 12:20:03,268 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 12:20:03,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:03,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:03,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2022-11-20 12:20:03,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,294 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-20 12:20:03,297 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 12:20:03,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:03,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:03,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2022-11-20 12:20:03,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,342 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-20 12:20:03,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:03,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:03,360 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:03,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2022-11-20 12:20:03,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,369 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-20 12:20:03,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:03,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:03,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:03,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-11-20 12:20:03,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,400 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-20 12:20:03,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:03,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:03,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:03,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:03,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,453 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:03,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-20 12:20:03,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,478 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:03,478 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:03,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2022-11-20 12:20:03,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,491 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-20 12:20:03,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:03,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:03,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:03,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:03,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,536 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:03,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-20 12:20:03,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:03,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:03,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:03,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,585 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-20 12:20:03,589 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 12:20:03,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:03,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:03,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:03,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,626 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:03,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-11-20 12:20:03,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,651 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:03,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:03,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2022-11-20 12:20:03,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,663 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-20 12:20:03,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:20:03,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:03,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:03,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:20:03,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:03,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,738 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-11-20 12:20:03,742 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 12:20:03,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:20:03,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:20:03,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:20:03,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:20:03,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:20:03,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 12:20:03,791 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:20:03,844 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-20 12:20:03,844 INFO L444 ModelExtractionUtils]: 4 out of 28 variables were initially zero. Simplification set additionally 21 variables to zero. [2022-11-20 12:20:03,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:20:03,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:03,850 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:03,852 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:20:03,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-11-20 12:20:03,866 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 12:20:03,866 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:20:03,866 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~2#1) = -2*ULTIMATE.start_main_~i~2#1 + 17 Supporting invariants [] [2022-11-20 12:20:03,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:04,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:04,712 INFO L156 tatePredicateManager]: 77 out of 77 supporting invariants were superfluous and have been removed [2022-11-20 12:20:04,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:04,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:20:04,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:20:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:05,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:20:05,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:20:05,099 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 12:20:05,100 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 12:20:05,100 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 112 states and 133 transitions. cyclomatic complexity: 23 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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 12:20:05,113 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 112 states and 133 transitions. cyclomatic complexity: 23. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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 114 states and 136 transitions. Complement of second has 4 states. [2022-11-20 12:20:05,114 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 12:20:05,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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 12:20:05,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2022-11-20 12:20:05,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 110 letters. Loop has 2 letters. [2022-11-20 12:20:05,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:20:05,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 112 letters. Loop has 2 letters. [2022-11-20 12:20:05,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:20:05,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 110 letters. Loop has 4 letters. [2022-11-20 12:20:05,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:20:05,118 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 136 transitions. [2022-11-20 12:20:05,120 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 12:20:05,120 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 0 states and 0 transitions. [2022-11-20 12:20:05,120 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 12:20:05,120 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 12:20:05,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 12:20:05,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:20:05,121 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:20:05,121 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:20:05,121 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:20:05,121 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-20 12:20:05,121 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:20:05,122 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 12:20:05,122 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 12:20:05,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:20:05 BoogieIcfgContainer [2022-11-20 12:20:05,130 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 12:20:05,131 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:20:05,131 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:20:05,131 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:20:05,132 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:19:00" (3/4) ... [2022-11-20 12:20:05,135 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 12:20:05,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:20:05,136 INFO L158 Benchmark]: Toolchain (without parser) took 65794.97ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 123.3MB in the beginning and 115.6MB in the end (delta: 7.8MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2022-11-20 12:20:05,137 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory was 67.8MB in the beginning and 67.8MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:20:05,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.61ms. Allocated memory is still 155.2MB. Free memory was 123.3MB in the beginning and 113.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 12:20:05,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.83ms. Allocated memory is still 155.2MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:20:05,138 INFO L158 Benchmark]: Boogie Preprocessor took 35.50ms. Allocated memory is still 155.2MB. Free memory was 110.9MB in the beginning and 109.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:20:05,139 INFO L158 Benchmark]: RCFGBuilder took 627.90ms. Allocated memory is still 155.2MB. Free memory was 109.5MB in the beginning and 94.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 12:20:05,139 INFO L158 Benchmark]: BuchiAutomizer took 64766.19ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 94.8MB in the beginning and 116.6MB in the end (delta: -21.8MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2022-11-20 12:20:05,140 INFO L158 Benchmark]: Witness Printer took 5.11ms. Allocated memory is still 186.6MB. Free memory was 116.6MB in the beginning and 115.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:20:05,142 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory was 67.8MB in the beginning and 67.8MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.61ms. Allocated memory is still 155.2MB. Free memory was 123.3MB in the beginning and 113.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.83ms. Allocated memory is still 155.2MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.50ms. Allocated memory is still 155.2MB. Free memory was 110.9MB in the beginning and 109.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 627.90ms. Allocated memory is still 155.2MB. Free memory was 109.5MB in the beginning and 94.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 64766.19ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 94.8MB in the beginning and 116.6MB in the end (delta: -21.8MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Witness Printer took 5.11ms. Allocated memory is still 186.6MB. Free memory was 116.6MB in the beginning and 115.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (7 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -8 * i + 19 * unknown-#length-unknown[x] and consists of 5 locations. One deterministic module has affine ranking function 19 + -2 * i and consists of 4 locations. One deterministic module has affine ranking function -2 * i + 17 and consists of 3 locations. 7 modules have a trivial ranking function, the largest among these consists of 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 64.7s and 11 iterations. TraceHistogramMax:10. Analysis of lassos took 62.4s. Construction of modules took 0.7s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 10. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 61 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 587 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 584 mSDsluCounter, 743 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 463 mSDsCounter, 142 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 550 IncrementalHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 142 mSolverCounterUnsat, 280 mSDtfsCounter, 550 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU6 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital453 mio100 ax100 hnf100 lsp97 ukn62 mio100 lsp33 div100 bol100 ite100 ukn100 eq168 hnf91 smp98 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 12:20:05,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2022-11-20 12:20:05,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2022-11-20 12:20:05,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2022-11-20 12:20:05,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:05,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-11-20 12:20:06,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51ebfbc-ae3a-483c-8837-3378300ef081/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE