./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a 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_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc --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 e0283c4a072a13e5b82b0728b718582152e385c6ee1404b3ed9be4e37b84a0b2 --- 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-5e519f3 [2022-11-02 20:56:26,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:56:26,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:56:26,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:56:26,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:56:26,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:56:26,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:56:26,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:56:26,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:56:26,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:56:26,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:56:26,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:56:26,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:56:26,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:56:26,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:56:26,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:56:26,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:56:26,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:56:26,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:56:26,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:56:26,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:56:26,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:56:26,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:56:26,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:56:26,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:56:26,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:56:26,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:56:26,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:56:26,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:56:26,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:56:26,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:56:26,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:56:26,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:56:26,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:56:26,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:56:26,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:56:26,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:56:26,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:56:26,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:56:26,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:56:26,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:56:26,470 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 20:56:26,508 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:56:26,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:56:26,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:56:26,509 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:56:26,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:56:26,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:56:26,511 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:56:26,511 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:56:26,512 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:56:26,512 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:56:26,513 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:56:26,513 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:56:26,514 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:56:26,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:56:26,514 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:56:26,515 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:56:26,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:56:26,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:56:26,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:56:26,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:56:26,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:56:26,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:56:26,516 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:56:26,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:56:26,517 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:56:26,517 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:56:26,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:56:26,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:56:26,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:56:26,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:56:26,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:56:26,520 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:56:26,520 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_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0283c4a072a13e5b82b0728b718582152e385c6ee1404b3ed9be4e37b84a0b2 [2022-11-02 20:56:26,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:56:26,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:56:26,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:56:26,887 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:56:26,896 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:56:26,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i [2022-11-02 20:56:26,979 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/data/19cb29f21/2b02e416acfe4a3f97ec88dfaee93f59/FLAG2ec771957 [2022-11-02 20:56:27,578 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:56:27,579 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/sv-benchmarks/c/array-memsafety/openbsd_cstrncmp-alloca-2.i [2022-11-02 20:56:27,597 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/data/19cb29f21/2b02e416acfe4a3f97ec88dfaee93f59/FLAG2ec771957 [2022-11-02 20:56:27,855 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/data/19cb29f21/2b02e416acfe4a3f97ec88dfaee93f59 [2022-11-02 20:56:27,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:56:27,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:56:27,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:56:27,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:56:27,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:56:27,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:56:27" (1/1) ... [2022-11-02 20:56:27,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc25dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:27, skipping insertion in model container [2022-11-02 20:56:27,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:56:27" (1/1) ... [2022-11-02 20:56:27,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:56:27,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:56:28,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:56:28,294 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:56:28,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:56:28,374 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:56:28,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:28 WrapperNode [2022-11-02 20:56:28,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:56:28,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:56:28,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:56:28,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:56:28,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:28" (1/1) ... [2022-11-02 20:56:28,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:28" (1/1) ... [2022-11-02 20:56:28,443 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 97 [2022-11-02 20:56:28,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:56:28,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:56:28,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:56:28,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:56:28,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:28" (1/1) ... [2022-11-02 20:56:28,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:28" (1/1) ... [2022-11-02 20:56:28,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:28" (1/1) ... [2022-11-02 20:56:28,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:28" (1/1) ... [2022-11-02 20:56:28,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:28" (1/1) ... [2022-11-02 20:56:28,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:28" (1/1) ... [2022-11-02 20:56:28,473 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:28" (1/1) ... [2022-11-02 20:56:28,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:28" (1/1) ... [2022-11-02 20:56:28,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:56:28,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:56:28,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:56:28,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:56:28,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:28" (1/1) ... [2022-11-02 20:56:28,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:28,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:28,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:28,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:56:28,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:56:28,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:56:28,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:56:28,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:56:28,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:56:28,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:56:28,677 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:56:28,678 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:56:28,939 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:56:28,945 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:56:28,945 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 20:56:28,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:56:28 BoogieIcfgContainer [2022-11-02 20:56:28,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:56:28,948 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:56:28,948 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:56:28,952 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:56:28,952 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:56:28,953 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:56:27" (1/3) ... [2022-11-02 20:56:28,953 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37431ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:56:28, skipping insertion in model container [2022-11-02 20:56:28,954 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:56:28,954 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:28" (2/3) ... [2022-11-02 20:56:28,954 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37431ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:56:28, skipping insertion in model container [2022-11-02 20:56:28,954 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:56:28,954 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:56:28" (3/3) ... [2022-11-02 20:56:28,955 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncmp-alloca-2.i [2022-11-02 20:56:29,008 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:56:29,008 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:56:29,008 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:56:29,008 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:56:29,009 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:56:29,009 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:56:29,009 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:56:29,009 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:56:29,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 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) [2022-11-02 20:56:29,031 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-11-02 20:56:29,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:56:29,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:56:29,037 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-02 20:56:29,037 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:56:29,037 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:56:29,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 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) [2022-11-02 20:56:29,039 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-11-02 20:56:29,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:56:29,039 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:56:29,040 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-02 20:56:29,040 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:56:29,048 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~nondet19#1, main_#t~ret20#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 7#L529true assume !(main_~length1~0#1 < 1); 17#L529-2true assume !(main_~length2~0#1 < 1); 2#L532-1true call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 3#L538-3true [2022-11-02 20:56:29,048 INFO L750 eck$LassoCheckResult]: Loop: 3#L538-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 16#L538-2true main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 3#L538-3true [2022-11-02 20:56:29,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:29,059 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-11-02 20:56:29,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:29,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870386206] [2022-11-02 20:56:29,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:29,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:29,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:56:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:29,289 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:56:29,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:29,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2022-11-02 20:56:29,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:29,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409026037] [2022-11-02 20:56:29,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:29,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:29,319 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:56:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:29,326 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:56:29,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:29,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2022-11-02 20:56:29,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:29,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069849020] [2022-11-02 20:56:29,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:29,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:29,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:56:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:29,413 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:56:29,926 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:56:29,927 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:56:29,927 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:56:29,927 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:56:29,927 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:56:29,927 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:29,927 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:56:29,927 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:56:29,928 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncmp-alloca-2.i_Iteration1_Lasso [2022-11-02 20:56:29,928 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:56:29,928 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:56:29,947 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:29,956 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:29,959 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:29,961 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:30,194 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:30,200 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:30,204 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:30,206 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:30,209 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:30,212 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:30,215 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:30,220 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:30,226 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:30,230 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:30,234 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:30,238 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:30,671 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:56:30,675 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:56:30,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:30,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:30,682 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:30,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:30,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:30,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:56:30,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:30,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:30,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:30,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:56:30,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:56:30,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:56:30,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:30,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-02 20:56:30,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:30,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:30,753 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:30,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:56:30,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:30,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:30,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:56:30,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:30,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:30,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:30,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:56:30,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:56:30,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:30,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:30,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:30,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:30,835 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:30,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:56:30,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:30,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:30,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:56:30,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:30,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:30,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:30,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:56:30,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:56:30,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:30,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:30,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:30,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:30,892 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:30,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:56:30,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:30,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:30,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:30,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:30,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:30,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:56:30,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:56:30,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:30,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:30,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:30,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:30,989 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:30,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:56:30,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:31,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:31,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:31,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:31,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:31,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:56:31,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:56:31,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:31,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:31,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:31,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:31,087 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:31,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:31,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:31,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:56:31,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:31,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:31,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:31,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:56:31,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:56:31,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:56:31,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:31,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-02 20:56:31,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:31,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:31,160 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:31,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:56:31,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:31,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:31,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:31,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:31,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:31,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:56:31,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:56:31,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:31,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:31,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:31,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:31,229 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:31,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:31,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:56:31,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:31,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:31,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:31,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:31,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:56:31,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:56:31,282 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:56:31,351 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-02 20:56:31,351 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-02 20:56:31,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:31,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:31,362 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:31,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 20:56:31,427 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:56:31,463 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-02 20:56:31,464 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:56:31,464 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*ULTIMATE.start_main_~nondetString1~0#1.offset >= 0] [2022-11-02 20:56:31,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:31,518 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2022-11-02 20:56:31,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:31,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:56:31,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:56:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:31,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:56:31,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:56:31,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:56:31,668 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 [2022-11-02 20:56:31,669 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 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) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:56:31,744 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 21 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). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 79 transitions. Complement of second has 7 states. [2022-11-02 20:56:31,746 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 [2022-11-02 20:56:31,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:56:31,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2022-11-02 20:56:31,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-02 20:56:31,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:56:31,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-02 20:56:31,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:56:31,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 53 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-02 20:56:31,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:56:31,755 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 79 transitions. [2022-11-02 20:56:31,758 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-02 20:56:31,762 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 18 states and 23 transitions. [2022-11-02 20:56:31,763 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-02 20:56:31,763 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-02 20:56:31,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2022-11-02 20:56:31,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:56:31,764 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-11-02 20:56:31,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2022-11-02 20:56:31,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-02 20:56:31,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:56:31,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2022-11-02 20:56:31,789 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-11-02 20:56:31,789 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-11-02 20:56:31,789 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:56:31,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2022-11-02 20:56:31,790 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-02 20:56:31,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:56:31,790 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:56:31,791 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:56:31,791 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:56:31,791 INFO L748 eck$LassoCheckResult]: Stem: 161#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 162#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~nondet19#1, main_#t~ret20#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 164#L529 assume !(main_~length1~0#1 < 1); 165#L529-2 assume !(main_~length2~0#1 < 1); 160#L532-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 156#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 157#L538-4 main_~i~1#1 := 0; 163#L543-3 [2022-11-02 20:56:31,791 INFO L750 eck$LassoCheckResult]: Loop: 163#L543-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet18#1; 170#L543-2 main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 163#L543-3 [2022-11-02 20:56:31,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:31,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2022-11-02 20:56:31,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:31,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139721945] [2022-11-02 20:56:31,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:31,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:31,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:56:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:31,856 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:56:31,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:31,856 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2022-11-02 20:56:31,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:31,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663054384] [2022-11-02 20:56:31,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:31,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:31,864 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:56:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:31,869 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:56:31,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:31,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2022-11-02 20:56:31,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:31,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664022393] [2022-11-02 20:56:31,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:31,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:31,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:31,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:56:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:31,917 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:56:32,253 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:56:32,253 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:56:32,253 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:56:32,253 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:56:32,254 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:56:32,254 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:32,254 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:56:32,254 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:56:32,254 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncmp-alloca-2.i_Iteration2_Lasso [2022-11-02 20:56:32,254 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:56:32,254 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:56:32,258 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:32,464 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:32,467 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:32,470 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:32,474 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:32,477 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:32,480 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:32,483 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:32,486 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:32,488 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:32,491 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:32,493 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:32,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:32,499 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:32,505 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:32,895 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:56:32,896 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:56:32,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:32,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:32,903 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:32,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:32,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 20:56:32,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:32,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:32,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:32,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:32,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:56:32,925 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:56:32,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:32,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:32,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:32,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:32,976 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:32,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:32,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 20:56:32,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:32,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:32,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:32,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:33,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:56:33,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:56:33,038 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:56:33,059 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-02 20:56:33,059 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-11-02 20:56:33,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:33,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:33,063 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:33,070 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:56:33,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-02 20:56:33,108 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:56:33,108 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:56:33,108 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nondetString2~0#1.offset, ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_2) = -1*ULTIMATE.start_main_~nondetString2~0#1.offset - 1*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_2 Supporting invariants [] [2022-11-02 20:56:33,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:33,157 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2022-11-02 20:56:33,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:33,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:56:33,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:56:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:33,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:56:33,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:56:33,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:56:33,260 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-02 20:56:33,261 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:56:33,320 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 23 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 36 transitions. Complement of second has 7 states. [2022-11-02 20:56:33,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 20:56:33,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:56:33,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2022-11-02 20:56:33,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-02 20:56:33,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:56:33,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-02 20:56:33,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:56:33,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-02 20:56:33,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:56:33,324 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2022-11-02 20:56:33,325 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-02 20:56:33,326 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 19 states and 25 transitions. [2022-11-02 20:56:33,326 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-02 20:56:33,326 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-02 20:56:33,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2022-11-02 20:56:33,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:56:33,327 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-11-02 20:56:33,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2022-11-02 20:56:33,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-02 20:56:33,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 18 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) [2022-11-02 20:56:33,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2022-11-02 20:56:33,329 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-11-02 20:56:33,329 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-11-02 20:56:33,330 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 20:56:33,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2022-11-02 20:56:33,330 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-02 20:56:33,331 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:56:33,331 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:56:33,331 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:56:33,331 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-02 20:56:33,332 INFO L748 eck$LassoCheckResult]: Stem: 286#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 287#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~nondet19#1, main_#t~ret20#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 289#L529 assume !(main_~length1~0#1 < 1); 290#L529-2 assume !(main_~length2~0#1 < 1); 285#L532-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 281#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 282#L538-4 main_~i~1#1 := 0; 288#L543-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 291#L543-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet19#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem4#1, cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset, cstrncmp_#t~mem5#1, cstrncmp_#t~mem7#1, cstrncmp_#t~pre6#1.base, cstrncmp_#t~pre6#1.offset, cstrncmp_#t~mem8#1, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~pre2#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 292#L516 assume !(0 == cstrncmp_~n#1 % 4294967296); 297#L518-4 [2022-11-02 20:56:33,332 INFO L750 eck$LassoCheckResult]: Loop: 297#L518-4 call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post3#1.base, 1 + cstrncmp_#t~post3#1.offset;call cstrncmp_#t~mem5#1 := read~int(cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset, 1); 298#L519 assume !(cstrncmp_#t~mem4#1 != cstrncmp_#t~mem5#1);havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset;havoc cstrncmp_#t~mem5#1;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;call cstrncmp_#t~mem10#1 := read~int(cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, 1); 293#L521 assume !(0 == cstrncmp_#t~mem10#1);havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~mem10#1; 294#L518-1 cstrncmp_#t~pre2#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 299#L518-2 assume !!(0 != cstrncmp_#t~pre2#1 % 4294967296);havoc cstrncmp_#t~pre2#1; 297#L518-4 [2022-11-02 20:56:33,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:33,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1595220890, now seen corresponding path program 1 times [2022-11-02 20:56:33,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:33,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343969483] [2022-11-02 20:56:33,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:33,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:33,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:56:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:33,379 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:56:33,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:33,380 INFO L85 PathProgramCache]: Analyzing trace with hash 78411965, now seen corresponding path program 1 times [2022-11-02 20:56:33,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:33,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996631402] [2022-11-02 20:56:33,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:33,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:33,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:56:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:33,417 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:56:33,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:33,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1989497660, now seen corresponding path program 1 times [2022-11-02 20:56:33,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:33,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987979792] [2022-11-02 20:56:33,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:33,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:33,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:34,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:56:34,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:56:34,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987979792] [2022-11-02 20:56:34,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987979792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:56:34,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:56:34,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:56:34,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340702195] [2022-11-02 20:56:34,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:56:34,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:56:34,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:56:34,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:56:34,320 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:56:34,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:56:34,481 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2022-11-02 20:56:34,481 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2022-11-02 20:56:34,482 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-02 20:56:34,483 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 20 states and 25 transitions. [2022-11-02 20:56:34,483 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-02 20:56:34,483 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-02 20:56:34,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2022-11-02 20:56:34,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:56:34,483 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-02 20:56:34,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2022-11-02 20:56:34,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-11-02 20:56:34,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:56:34,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2022-11-02 20:56:34,485 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-11-02 20:56:34,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:56:34,492 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-11-02 20:56:34,493 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-02 20:56:34,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2022-11-02 20:56:34,494 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-02 20:56:34,495 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:56:34,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:56:34,496 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:56:34,496 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-02 20:56:34,496 INFO L748 eck$LassoCheckResult]: Stem: 352#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 353#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~nondet19#1, main_#t~ret20#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 355#L529 assume !(main_~length1~0#1 < 1); 356#L529-2 assume !(main_~length2~0#1 < 1); 351#L532-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 347#L538-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 348#L538-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 349#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 350#L538-4 main_~i~1#1 := 0; 354#L543-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 357#L543-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet19#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem4#1, cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset, cstrncmp_#t~mem5#1, cstrncmp_#t~mem7#1, cstrncmp_#t~pre6#1.base, cstrncmp_#t~pre6#1.offset, cstrncmp_#t~mem8#1, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~pre2#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 358#L516 assume !(0 == cstrncmp_~n#1 % 4294967296); 363#L518-4 [2022-11-02 20:56:34,496 INFO L750 eck$LassoCheckResult]: Loop: 363#L518-4 call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post3#1.base, 1 + cstrncmp_#t~post3#1.offset;call cstrncmp_#t~mem5#1 := read~int(cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset, 1); 364#L519 assume !(cstrncmp_#t~mem4#1 != cstrncmp_#t~mem5#1);havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset;havoc cstrncmp_#t~mem5#1;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;call cstrncmp_#t~mem10#1 := read~int(cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, 1); 359#L521 assume !(0 == cstrncmp_#t~mem10#1);havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~mem10#1; 360#L518-1 cstrncmp_#t~pre2#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 365#L518-2 assume !!(0 != cstrncmp_#t~pre2#1 % 4294967296);havoc cstrncmp_#t~pre2#1; 363#L518-4 [2022-11-02 20:56:34,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:34,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1351083896, now seen corresponding path program 1 times [2022-11-02 20:56:34,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:34,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144242259] [2022-11-02 20:56:34,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:34,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:34,525 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:56:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:34,550 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:56:34,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:34,551 INFO L85 PathProgramCache]: Analyzing trace with hash 78411965, now seen corresponding path program 2 times [2022-11-02 20:56:34,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:34,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375041249] [2022-11-02 20:56:34,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:34,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:34,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:56:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:34,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:56:34,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:34,566 INFO L85 PathProgramCache]: Analyzing trace with hash -351427674, now seen corresponding path program 1 times [2022-11-02 20:56:34,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:34,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28212432] [2022-11-02 20:56:34,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:34,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:56:34,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:56:34,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28212432] [2022-11-02 20:56:34,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28212432] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:56:34,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:56:34,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-02 20:56:34,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305809835] [2022-11-02 20:56:34,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:56:35,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:56:35,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:56:35,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:56:35,160 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 8 Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:56:35,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:56:35,262 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-11-02 20:56:35,262 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2022-11-02 20:56:35,263 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-02 20:56:35,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 20 states and 24 transitions. [2022-11-02 20:56:35,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-02 20:56:35,263 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-02 20:56:35,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2022-11-02 20:56:35,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:56:35,264 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-11-02 20:56:35,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2022-11-02 20:56:35,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-11-02 20:56:35,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:56:35,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2022-11-02 20:56:35,266 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-11-02 20:56:35,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:56:35,270 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-11-02 20:56:35,270 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-02 20:56:35,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2022-11-02 20:56:35,270 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-02 20:56:35,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:56:35,271 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:56:35,271 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:56:35,271 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-02 20:56:35,271 INFO L748 eck$LassoCheckResult]: Stem: 416#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 417#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~nondet19#1, main_#t~ret20#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 419#L529 assume !(main_~length1~0#1 < 1); 420#L529-2 assume !(main_~length2~0#1 < 1); 411#L532-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 412#L538-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 413#L538-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 414#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 415#L538-4 main_~i~1#1 := 0; 418#L543-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet18#1; 425#L543-2 main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 426#L543-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 421#L543-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_#t~nondet19#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem4#1, cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset, cstrncmp_#t~mem5#1, cstrncmp_#t~mem7#1, cstrncmp_#t~pre6#1.base, cstrncmp_#t~pre6#1.offset, cstrncmp_#t~mem8#1, cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~pre2#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 422#L516 assume !(0 == cstrncmp_~n#1 % 4294967296); 427#L518-4 [2022-11-02 20:56:35,272 INFO L750 eck$LassoCheckResult]: Loop: 427#L518-4 call cstrncmp_#t~mem4#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post3#1.base, 1 + cstrncmp_#t~post3#1.offset;call cstrncmp_#t~mem5#1 := read~int(cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset, 1); 428#L519 assume !(cstrncmp_#t~mem4#1 != cstrncmp_#t~mem5#1);havoc cstrncmp_#t~mem4#1;havoc cstrncmp_#t~post3#1.base, cstrncmp_#t~post3#1.offset;havoc cstrncmp_#t~mem5#1;cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post9#1.base, 1 + cstrncmp_#t~post9#1.offset;call cstrncmp_#t~mem10#1 := read~int(cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset, 1); 423#L521 assume !(0 == cstrncmp_#t~mem10#1);havoc cstrncmp_#t~post9#1.base, cstrncmp_#t~post9#1.offset;havoc cstrncmp_#t~mem10#1; 424#L518-1 cstrncmp_#t~pre2#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 429#L518-2 assume !!(0 != cstrncmp_#t~pre2#1 % 4294967296);havoc cstrncmp_#t~pre2#1; 427#L518-4 [2022-11-02 20:56:35,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:35,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1313217430, now seen corresponding path program 1 times [2022-11-02 20:56:35,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:35,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856825802] [2022-11-02 20:56:35,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:35,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:35,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:56:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:35,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:56:35,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:35,320 INFO L85 PathProgramCache]: Analyzing trace with hash 78411965, now seen corresponding path program 3 times [2022-11-02 20:56:35,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:35,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559690458] [2022-11-02 20:56:35,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:35,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:35,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:56:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:35,332 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:56:35,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:35,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1019129272, now seen corresponding path program 1 times [2022-11-02 20:56:35,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:35,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128063477] [2022-11-02 20:56:35,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:35,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:35,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:56:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:56:35,378 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:56:37,259 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:56:37,259 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:56:37,259 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:56:37,259 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:56:37,260 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:56:37,260 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:37,260 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:56:37,260 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:56:37,260 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncmp-alloca-2.i_Iteration5_Lasso [2022-11-02 20:56:37,260 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:56:37,260 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:56:37,264 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,272 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,274 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,276 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,279 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,282 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,284 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,287 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,289 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,291 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,294 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,297 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,308 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,314 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,316 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,318 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,321 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,323 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,325 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:37,328 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:38,552 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:38,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:38,557 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:38,559 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:38,562 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:38,564 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:38,569 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:38,572 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:56:39,463 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:56:39,463 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:56:39,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:39,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:39,472 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:39,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-02 20:56:39,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:39,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:39,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:56:39,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:39,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:39,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:39,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:56:39,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:56:39,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:39,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:39,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:39,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:39,554 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:39,561 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 [2022-11-02 20:56:39,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:39,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:56:39,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:39,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:39,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:39,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:56:39,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:56:39,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-02 20:56:39,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:39,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:39,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:39,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:39,617 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:39,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-02 20:56:39,619 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 [2022-11-02 20:56:39,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:39,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:56:39,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:39,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:39,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:39,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:56:39,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:56:39,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:39,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:39,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:39,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:39,685 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:39,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-02 20:56:39,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:39,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:39,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:39,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:39,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:39,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:56:39,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:56:39,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:39,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:39,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:39,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:39,748 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:39,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-02 20:56:39,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:39,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:39,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:56:39,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:39,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:39,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:39,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:56:39,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:56:39,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:39,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:39,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:39,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:39,790 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:39,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-02 20:56:39,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:39,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:39,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:56:39,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:39,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:39,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:39,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:56:39,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:56:39,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:39,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:39,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:39,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:39,831 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:39,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-02 20:56:39,835 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 [2022-11-02 20:56:39,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:39,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:39,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:39,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:39,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:56:39,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:56:39,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:39,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:39,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:39,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:39,874 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:39,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-02 20:56:39,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:39,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:39,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:56:39,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:39,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:39,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:39,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:56:39,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:56:39,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:39,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:39,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:39,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:39,913 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:39,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-02 20:56:39,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:39,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:39,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:56:39,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:39,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:39,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:39,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:56:39,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:56:39,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:39,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-11-02 20:56:39,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:39,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:39,947 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:39,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-02 20:56:39,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:39,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:39,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:39,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:39,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:39,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:56:39,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:56:39,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:39,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-11-02 20:56:39,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:39,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:39,991 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:39,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-02 20:56:39,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:40,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:40,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:56:40,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:40,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:40,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:40,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:56:40,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:56:40,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:40,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-11-02 20:56:40,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:40,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:40,025 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:40,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-02 20:56:40,029 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 [2022-11-02 20:56:40,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:40,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:40,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:40,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:40,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:56:40,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:56:40,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:40,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:40,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:40,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:40,100 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:40,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:40,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:40,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:56:40,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:40,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:40,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:40,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:56:40,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:56:40,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-02 20:56:40,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:40,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:40,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:40,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:40,178 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:40,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:40,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:40,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:56:40,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:40,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:40,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:40,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-02 20:56:40,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:56:40,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:56:40,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:40,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:40,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:40,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:40,250 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:40,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:40,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:40,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:56:40,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:40,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:40,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:40,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:56:40,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:56:40,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-02 20:56:40,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:40,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-02 20:56:40,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:40,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:40,320 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:40,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-02 20:56:40,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:40,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:40,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:56:40,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:40,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:40,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:40,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:56:40,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:56:40,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:40,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-02 20:56:40,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:40,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:40,358 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:40,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-02 20:56:40,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:40,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:40,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:40,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:40,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:40,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:56:40,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:56:40,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:40,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-02 20:56:40,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:40,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:40,405 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:40,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-02 20:56:40,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:40,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:40,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:56:40,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:40,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:40,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:40,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:56:40,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:56:40,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:40,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-02 20:56:40,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:40,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:40,439 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:40,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-02 20:56:40,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:40,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:40,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:56:40,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:40,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:40,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:40,452 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:56:40,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:56:40,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:40,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-02 20:56:40,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:40,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:40,475 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:40,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-02 20:56:40,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:40,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:40,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:56:40,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:40,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:40,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:40,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:56:40,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:56:40,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:56:40,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-02 20:56:40,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:40,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:40,514 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:40,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-02 20:56:40,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:56:40,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:56:40,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:56:40,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:56:40,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:56:40,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:56:40,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:56:40,584 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:56:40,659 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2022-11-02 20:56:40,660 INFO L444 ModelExtractionUtils]: 34 out of 52 variables were initially zero. Simplification set additionally 15 variables to zero. [2022-11-02 20:56:40,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:56:40,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:40,663 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:40,667 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:56:40,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-02 20:56:40,701 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:56:40,701 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:56:40,701 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncmp_~s2#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_3) = -1*ULTIMATE.start_cstrncmp_~s2#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14#1.base)_3 Supporting invariants [] [2022-11-02 20:56:40,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-02 20:56:40,884 INFO L156 tatePredicateManager]: 27 out of 28 supporting invariants were superfluous and have been removed [2022-11-02 20:56:40,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:40,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:56:40,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:56:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:41,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-02 20:56:41,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:56:41,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:56:41,054 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-02 20:56:41,054 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:56:41,104 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 28 transitions. Complement of second has 6 states. [2022-11-02 20:56:41,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 20:56:41,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:56:41,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2022-11-02 20:56:41,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 14 letters. Loop has 5 letters. [2022-11-02 20:56:41,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:56:41,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 19 letters. Loop has 5 letters. [2022-11-02 20:56:41,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:56:41,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 14 letters. Loop has 10 letters. [2022-11-02 20:56:41,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:56:41,107 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 28 transitions. [2022-11-02 20:56:41,108 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:56:41,108 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2022-11-02 20:56:41,108 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:56:41,109 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:56:41,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:56:41,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:56:41,109 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:56:41,109 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:56:41,109 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:56:41,109 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-02 20:56:41,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:56:41,110 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:56:41,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:56:41,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:56:41 BoogieIcfgContainer [2022-11-02 20:56:41,117 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:56:41,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:56:41,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:56:41,118 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:56:41,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:56:28" (3/4) ... [2022-11-02 20:56:41,121 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:56:41,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:56:41,122 INFO L158 Benchmark]: Toolchain (without parser) took 13261.62ms. Allocated memory was 104.9MB in the beginning and 155.2MB in the end (delta: 50.3MB). Free memory was 67.6MB in the beginning and 59.3MB in the end (delta: 8.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-02 20:56:41,122 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:56:41,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.42ms. Allocated memory is still 104.9MB. Free memory was 67.5MB in the beginning and 73.4MB in the end (delta: -6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:56:41,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.06ms. Allocated memory is still 104.9MB. Free memory was 73.4MB in the beginning and 71.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:56:41,123 INFO L158 Benchmark]: Boogie Preprocessor took 32.51ms. Allocated memory is still 104.9MB. Free memory was 71.4MB in the beginning and 70.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:56:41,124 INFO L158 Benchmark]: RCFGBuilder took 469.52ms. Allocated memory is still 104.9MB. Free memory was 70.0MB in the beginning and 56.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:56:41,124 INFO L158 Benchmark]: BuchiAutomizer took 12169.29ms. Allocated memory was 104.9MB in the beginning and 155.2MB in the end (delta: 50.3MB). Free memory was 56.7MB in the beginning and 59.3MB in the end (delta: -2.6MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2022-11-02 20:56:41,124 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 155.2MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:56:41,126 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.42ms. Allocated memory is still 104.9MB. Free memory was 67.5MB in the beginning and 73.4MB in the end (delta: -6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.06ms. Allocated memory is still 104.9MB. Free memory was 73.4MB in the beginning and 71.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.51ms. Allocated memory is still 104.9MB. Free memory was 71.4MB in the beginning and 70.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 469.52ms. Allocated memory is still 104.9MB. Free memory was 70.0MB in the beginning and 56.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 12169.29ms. Allocated memory was 104.9MB in the beginning and 155.2MB in the end (delta: 50.3MB). Free memory was 56.7MB in the beginning and 59.3MB in the end (delta: -2.6MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 155.2MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[nondetString1] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * nondetString2 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s2 and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.1s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 11.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 250 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 171 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 140 IncrementalHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 79 mSDtfsCounter, 140 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital216 mio100 ax110 hnf100 lsp82 ukn78 mio100 lsp50 div167 bol100 ite100 ukn100 eq161 hnf92 smp72 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 5 VariablesLoop: 2 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! [2022-11-02 20:56:41,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-11-02 20:56:41,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_361624e0-0644-418b-9e2d-662ffab00d12/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE