./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD --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 a775ba6b744ab5ffb556747687a592ac2a696b9fe34bb3e21dc1471ba5c99e1a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:50:21,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:50:21,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:50:21,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:50:21,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:50:21,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:50:21,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:50:21,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:50:21,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:50:21,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:50:21,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:50:21,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:50:21,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:50:21,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:50:21,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:50:21,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:50:21,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:50:21,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:50:21,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:50:21,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:50:21,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:50:21,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:50:21,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:50:21,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:50:21,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:50:21,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:50:21,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:50:21,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:50:21,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:50:21,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:50:21,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:50:21,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:50:22,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:50:22,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:50:22,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:50:22,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:50:22,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:50:22,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:50:22,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:50:22,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:50:22,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:50:22,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 22:50:22,062 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:50:22,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:50:22,063 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:50:22,063 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:50:22,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:50:22,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:50:22,065 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:50:22,066 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 22:50:22,066 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 22:50:22,066 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 22:50:22,066 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 22:50:22,067 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 22:50:22,067 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 22:50:22,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:50:22,068 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:50:22,068 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:50:22,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:50:22,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:50:22,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:50:22,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 22:50:22,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 22:50:22,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 22:50:22,070 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:50:22,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:50:22,070 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 22:50:22,071 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:50:22,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 22:50:22,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:50:22,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:50:22,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:50:22,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:50:22,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:50:22,074 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 22:50:22,074 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_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a775ba6b744ab5ffb556747687a592ac2a696b9fe34bb3e21dc1471ba5c99e1a [2021-10-28 22:50:22,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:50:22,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:50:22,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:50:22,476 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:50:22,478 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:50:22,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i [2021-10-28 22:50:22,565 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/data/37b5c0fdf/b3d2e9bf2a0d45569043de47f2e7fc48/FLAGd43a2251d [2021-10-28 22:50:23,231 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:50:23,232 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca-1.i [2021-10-28 22:50:23,248 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/data/37b5c0fdf/b3d2e9bf2a0d45569043de47f2e7fc48/FLAGd43a2251d [2021-10-28 22:50:23,497 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/data/37b5c0fdf/b3d2e9bf2a0d45569043de47f2e7fc48 [2021-10-28 22:50:23,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:50:23,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:50:23,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:50:23,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:50:23,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:50:23,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:50:23" (1/1) ... [2021-10-28 22:50:23,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb70bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:23, skipping insertion in model container [2021-10-28 22:50:23,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:50:23" (1/1) ... [2021-10-28 22:50:23,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:50:23,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:50:24,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:50:24,187 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:50:24,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:50:24,274 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:50:24,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:24 WrapperNode [2021-10-28 22:50:24,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:50:24,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:50:24,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:50:24,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:50:24,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:24" (1/1) ... [2021-10-28 22:50:24,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:24" (1/1) ... [2021-10-28 22:50:24,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:50:24,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:50:24,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:50:24,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:50:24,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:24" (1/1) ... [2021-10-28 22:50:24,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:24" (1/1) ... [2021-10-28 22:50:24,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:24" (1/1) ... [2021-10-28 22:50:24,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:24" (1/1) ... [2021-10-28 22:50:24,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:24" (1/1) ... [2021-10-28 22:50:24,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:24" (1/1) ... [2021-10-28 22:50:24,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:24" (1/1) ... [2021-10-28 22:50:24,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:50:24,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:50:24,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:50:24,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:50:24,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:24" (1/1) ... [2021-10-28 22:50:24,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:24,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:24,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:24,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 22:50:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 22:50:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 22:50:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:50:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 22:50:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:50:24,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:50:24,989 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:50:24,989 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-28 22:50:24,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:50:24 BoogieIcfgContainer [2021-10-28 22:50:24,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:50:24,993 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 22:50:24,993 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 22:50:25,003 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 22:50:25,004 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:50:25,004 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:50:23" (1/3) ... [2021-10-28 22:50:25,006 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62b3305e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:50:25, skipping insertion in model container [2021-10-28 22:50:25,006 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:50:25,006 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:24" (2/3) ... [2021-10-28 22:50:25,007 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62b3305e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:50:25, skipping insertion in model container [2021-10-28 22:50:25,007 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:50:25,007 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:50:24" (3/3) ... [2021-10-28 22:50:25,011 INFO L389 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrlcpy-alloca-1.i [2021-10-28 22:50:25,069 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 22:50:25,069 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 22:50:25,069 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 22:50:25,070 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 22:50:25,070 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 22:50:25,070 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 22:50:25,070 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 22:50:25,070 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 22:50:25,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:25,109 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2021-10-28 22:50:25,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:50:25,121 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:50:25,129 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 22:50:25,129 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:50:25,129 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 22:50:25,129 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:25,134 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2021-10-28 22:50:25,134 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:50:25,134 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:50:25,135 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 22:50:25,135 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:50:25,141 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 14#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 22#L536true assume !(main_~length~0 < 1); 8#L536-2true assume !(main_~n~1 < 1); 9#L539-1true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 5#L545-3true [2021-10-28 22:50:25,142 INFO L793 eck$LassoCheckResult]: Loop: 5#L545-3true assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~0, 1);havoc main_#t~nondet13; 11#L545-2true main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 5#L545-3true [2021-10-28 22:50:25,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:25,149 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-10-28 22:50:25,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:25,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464589972] [2021-10-28 22:50:25,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:25,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:25,286 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:50:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:25,331 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:50:25,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:25,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-10-28 22:50:25,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:25,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755727357] [2021-10-28 22:50:25,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:25,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:25,352 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:50:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:25,366 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:50:25,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:25,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-10-28 22:50:25,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:25,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936325721] [2021-10-28 22:50:25,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:25,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:25,403 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:50:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:25,465 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:50:26,023 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:50:26,024 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:50:26,024 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:50:26,025 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:50:26,025 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:50:26,025 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:26,025 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:50:26,025 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:50:26,025 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-1.i_Iteration1_Lasso [2021-10-28 22:50:26,026 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:50:26,026 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:50:26,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:26,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:26,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:26,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:26,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:26,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:26,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:26,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:26,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:26,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:26,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:26,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:26,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:26,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:26,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:26,686 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:50:26,692 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:50:26,694 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:26,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:26,700 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:26,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 22:50:26,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:26,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:26,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:26,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:26,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:26,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:26,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:26,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:26,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:26,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:26,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:26,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:26,793 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:26,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:26,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:26,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:26,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:26,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:26,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:26,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:26,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:26,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 22:50:26,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:26,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:26,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:26,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:26,879 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:26,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:26,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:26,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:26,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 22:50:26,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:26,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:26,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:26,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:26,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:26,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:26,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:26,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:26,985 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:26,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:27,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 22:50:27,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:27,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:27,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:27,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:27,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:27,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:27,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:27,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:27,072 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:27,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:27,077 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:27,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:27,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:27,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:27,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:27,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:27,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:27,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:27,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:27,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 22:50:27,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:27,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:27,161 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:27,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:27,162 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:27,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 22:50:27,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:27,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:27,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:27,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:27,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:27,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:27,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:27,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:27,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:27,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:27,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:27,260 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:27,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 22:50:27,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:27,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:27,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:27,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:27,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:27,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:27,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:27,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:27,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:27,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:27,316 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:27,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:27,318 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:27,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 22:50:27,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:27,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:27,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:27,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:27,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:27,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:27,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:27,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:27,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:27,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-28 22:50:27,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:27,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:27,371 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:27,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 22:50:27,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:27,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:27,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:27,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:27,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:27,393 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:27,393 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:27,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:27,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:27,453 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:27,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:27,454 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:27,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 22:50:27,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:27,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:27,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:27,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:27,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:27,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:27,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:27,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:27,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:27,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:27,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:27,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:27,502 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:27,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 22:50:27,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:27,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:27,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:27,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:27,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:27,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:27,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:27,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:27,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:27,554 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:27,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:27,555 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:27,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 22:50:27,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:27,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:27,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:27,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:27,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:27,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:27,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:27,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:27,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:27,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:27,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:27,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:27,605 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:27,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 22:50:27,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:27,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:27,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:27,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:27,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:27,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:27,617 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:27,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:27,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:27,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:27,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:27,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:27,645 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:27,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 22:50:27,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:27,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:27,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:27,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:27,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:27,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:27,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:27,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:27,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:27,738 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:27,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:27,740 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:27,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 22:50:27,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:27,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:27,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:27,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:27,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:27,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:27,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:27,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:27,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:27,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:27,786 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:27,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:27,787 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:27,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 22:50:27,792 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 [2021-10-28 22:50:27,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:27,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:27,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:27,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:27,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:27,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:27,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:27,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:27,860 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:27,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:27,861 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:27,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 22:50:27,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:27,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:27,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:27,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:27,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:27,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:27,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:27,912 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:50:27,963 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-28 22:50:27,963 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-10-28 22:50:27,965 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:27,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:27,977 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:28,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 22:50:28,025 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:50:28,048 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 22:50:28,048 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:50:28,049 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1, ULTIMATE.start_main_~i~0) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_1 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [1*ULTIMATE.start_main_~nondetString2~0.offset >= 0] [2021-10-28 22:50:28,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:28,169 INFO L297 tatePredicateManager]: 5 out of 7 supporting invariants were superfluous and have been removed [2021-10-28 22:50:28,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:28,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 22:50:28,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:50:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:28,329 WARN L261 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 22:50:28,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:50:28,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:50:28,410 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 22:50:28,412 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2021-10-28 22:50:28,523 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 57 states and 90 transitions. Complement of second has 8 states. [2021-10-28 22:50:28,524 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 [2021-10-28 22:50:28,526 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) [2021-10-28 22:50:28,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 60 transitions. [2021-10-28 22:50:28,530 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-28 22:50:28,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:50:28,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-28 22:50:28,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:50:28,532 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-28 22:50:28,532 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:50:28,533 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 90 transitions. [2021-10-28 22:50:28,539 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-28 22:50:28,544 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 20 states and 29 transitions. [2021-10-28 22:50:28,545 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-28 22:50:28,546 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-28 22:50:28,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2021-10-28 22:50:28,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:50:28,547 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-10-28 22:50:28,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2021-10-28 22:50:28,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-28 22:50:28,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:28,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2021-10-28 22:50:28,580 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-10-28 22:50:28,581 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-10-28 22:50:28,581 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 22:50:28,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2021-10-28 22:50:28,582 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-28 22:50:28,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:50:28,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:50:28,583 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:50:28,583 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:50:28,584 INFO L791 eck$LassoCheckResult]: Stem: 167#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 168#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 179#L536 assume !(main_~length~0 < 1); 171#L536-2 assume !(main_~n~1 < 1); 172#L539-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 163#L545-3 assume !(main_~i~0 < main_~length~0 - 1); 164#L545-4 main_~i~1 := 0; 175#L550-3 [2021-10-28 22:50:28,584 INFO L793 eck$LassoCheckResult]: Loop: 175#L550-3 assume !!(main_~i~1 < main_~n~1 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~1, 1);havoc main_#t~nondet15; 176#L550-2 main_#t~post14 := main_~i~1;main_~i~1 := 1 + main_#t~post14;havoc main_#t~post14; 175#L550-3 [2021-10-28 22:50:28,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:28,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2021-10-28 22:50:28,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:28,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313696237] [2021-10-28 22:50:28,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:28,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:28,603 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:50:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:28,635 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:50:28,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:28,638 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2021-10-28 22:50:28,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:28,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418285239] [2021-10-28 22:50:28,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:28,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:28,653 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:50:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:28,671 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:50:28,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:28,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2021-10-28 22:50:28,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:28,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781977529] [2021-10-28 22:50:28,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:28,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:28,729 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:50:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:28,771 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:50:28,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:29,280 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:50:29,281 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:50:29,281 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:50:29,281 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:50:29,281 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:50:29,281 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:29,281 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:50:29,282 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:50:29,282 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-1.i_Iteration2_Lasso [2021-10-28 22:50:29,282 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:50:29,282 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:50:29,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:29,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:29,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:29,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:29,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:29,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:29,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:29,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:29,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:29,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:29,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:29,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:29,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:29,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:29,799 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:50:29,799 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:50:29,799 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:29,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:29,805 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:29,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:29,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:29,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:29,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:29,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:29,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:29,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:29,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:29,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 22:50:29,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:29,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:29,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:29,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:29,885 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:29,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:29,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:29,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:29,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:29,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:29,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:29,917 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:29,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 22:50:29,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:29,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:29,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:29,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:29,988 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:29,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:30,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:30,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:30,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:30,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:30,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:30,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:30,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 22:50:30,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:30,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:30,070 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:30,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:30,071 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:30,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:30,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:30,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:30,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:30,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:30,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:30,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:30,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:30,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 22:50:30,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:30,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:30,154 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:30,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:30,155 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:30,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:30,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:30,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:30,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:30,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:30,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:30,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:30,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 22:50:30,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:30,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:30,238 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:30,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:30,240 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:30,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:30,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:30,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:30,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:30,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:30,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:30,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:30,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 22:50:30,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:30,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:30,322 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:30,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:30,324 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:30,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:30,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:30,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:30,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:30,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:30,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:30,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:30,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 22:50:30,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:30,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:30,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:30,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:30,400 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:30,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:30,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:30,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:30,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:30,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:30,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:30,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:30,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:30,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 22:50:30,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:30,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:30,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:30,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:30,478 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:30,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 22:50:30,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:30,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:30,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:30,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:30,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:30,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:30,507 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:30,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:30,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:30,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:30,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:30,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:30,553 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:30,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 22:50:30,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:30,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:30,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:30,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:30,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:30,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:30,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:30,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:30,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:30,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-28 22:50:30,594 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:30,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:30,595 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:30,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 22:50:30,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:30,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:30,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:30,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:30,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:30,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:30,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:30,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:30,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:30,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-28 22:50:30,669 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:30,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:30,670 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:30,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 22:50:30,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:30,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:30,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:30,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:30,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:30,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:30,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:30,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:30,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:30,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:30,730 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:30,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:30,731 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:30,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 22:50:30,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:30,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:30,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:30,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:30,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:30,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:30,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:30,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:30,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-28 22:50:30,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:30,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:30,824 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:30,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:30,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:30,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:30,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:30,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:30,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 22:50:30,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:30,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:30,888 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:50:30,925 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-28 22:50:30,925 INFO L444 ModelExtractionUtils]: 7 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-10-28 22:50:30,925 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:30,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:30,929 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:30,931 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:50:30,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 22:50:30,965 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:50:30,965 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:50:30,965 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, ULTIMATE.start_main_~n~1) = -1*ULTIMATE.start_main_~i~1 + 1*ULTIMATE.start_main_~n~1 Supporting invariants [] [2021-10-28 22:50:31,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:31,031 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-28 22:50:31,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:31,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:50:31,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:50:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:31,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 22:50:31,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:50:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:50:31,131 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 22:50:31,131 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:31,160 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 48 transitions. Complement of second has 6 states. [2021-10-28 22:50:31,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 22:50:31,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:31,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-10-28 22:50:31,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-28 22:50:31,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:50:31,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-28 22:50:31,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:50:31,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 7 letters. Loop has 4 letters. [2021-10-28 22:50:31,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:50:31,163 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 48 transitions. [2021-10-28 22:50:31,166 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 22:50:31,167 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 21 states and 31 transitions. [2021-10-28 22:50:31,167 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-28 22:50:31,167 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-28 22:50:31,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 31 transitions. [2021-10-28 22:50:31,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:50:31,168 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 31 transitions. [2021-10-28 22:50:31,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 31 transitions. [2021-10-28 22:50:31,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-28 22:50:31,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 20 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:31,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 31 transitions. [2021-10-28 22:50:31,172 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 31 transitions. [2021-10-28 22:50:31,172 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 31 transitions. [2021-10-28 22:50:31,172 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 22:50:31,172 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 31 transitions. [2021-10-28 22:50:31,173 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 22:50:31,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:50:31,174 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:50:31,174 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:50:31,174 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:50:31,175 INFO L791 eck$LassoCheckResult]: Stem: 292#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 293#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 305#L536 assume !(main_~length~0 < 1); 296#L536-2 assume !(main_~n~1 < 1); 297#L539-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 288#L545-3 assume !(main_~i~0 < main_~length~0 - 1); 289#L545-4 main_~i~1 := 0; 300#L550-3 assume !(main_~i~1 < main_~n~1 - 1); 298#L550-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 299#L519 assume 0 != cstrlcpy_~n~0; 294#L520-3 [2021-10-28 22:50:31,175 INFO L793 eck$LassoCheckResult]: Loop: 294#L520-3 cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 295#L520-1 assume !!(0 != cstrlcpy_#t~pre2);havoc cstrlcpy_#t~pre2;cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset := cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_#t~post3.base, 1 + cstrlcpy_#t~post3.offset;cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post4.base, 1 + cstrlcpy_#t~post4.offset;call cstrlcpy_#t~mem5 := read~int(cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, 1);call write~int(cstrlcpy_#t~mem5, cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, 1); 306#L521 assume !(0 == cstrlcpy_#t~mem5);havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset;havoc cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset;havoc cstrlcpy_#t~mem5; 294#L520-3 [2021-10-28 22:50:31,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:31,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1595220888, now seen corresponding path program 1 times [2021-10-28 22:50:31,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:31,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124384310] [2021-10-28 22:50:31,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:31,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:31,198 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:50:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:31,224 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:50:31,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:31,225 INFO L85 PathProgramCache]: Analyzing trace with hash 80599, now seen corresponding path program 1 times [2021-10-28 22:50:31,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:31,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611651030] [2021-10-28 22:50:31,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:31,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:31,236 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:50:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:31,246 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:50:31,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:31,247 INFO L85 PathProgramCache]: Analyzing trace with hash -587605024, now seen corresponding path program 1 times [2021-10-28 22:50:31,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:31,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787251956] [2021-10-28 22:50:31,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:31,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:50:31,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:50:31,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787251956] [2021-10-28 22:50:31,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787251956] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:50:31,453 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:50:31,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 22:50:31,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143340604] [2021-10-28 22:50:31,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:50:31,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 22:50:31,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:50:31,665 INFO L87 Difference]: Start difference. First operand 21 states and 31 transitions. cyclomatic complexity: 14 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:31,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:50:31,801 INFO L93 Difference]: Finished difference Result 36 states and 49 transitions. [2021-10-28 22:50:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 22:50:31,804 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 49 transitions. [2021-10-28 22:50:31,806 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-28 22:50:31,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 36 states and 49 transitions. [2021-10-28 22:50:31,807 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-10-28 22:50:31,807 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-10-28 22:50:31,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 49 transitions. [2021-10-28 22:50:31,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:50:31,808 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 49 transitions. [2021-10-28 22:50:31,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 49 transitions. [2021-10-28 22:50:31,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 31. [2021-10-28 22:50:31,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 30 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:31,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-28 22:50:31,820 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-28 22:50:31,820 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-28 22:50:31,821 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 22:50:31,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 43 transitions. [2021-10-28 22:50:31,824 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 22:50:31,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:50:31,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:50:31,826 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:50:31,826 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:50:31,826 INFO L791 eck$LassoCheckResult]: Stem: 367#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 368#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 384#L536 assume !(main_~length~0 < 1); 371#L536-2 assume !(main_~n~1 < 1); 373#L539-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 363#L545-3 assume !(main_~i~0 < main_~length~0 - 1); 364#L545-4 main_~i~1 := 0; 389#L550-3 assume !!(main_~i~1 < main_~n~1 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~1, 1);havoc main_#t~nondet15; 381#L550-2 main_#t~post14 := main_~i~1;main_~i~1 := 1 + main_#t~post14;havoc main_#t~post14; 380#L550-3 assume !(main_~i~1 < main_~n~1 - 1); 374#L550-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 375#L519 assume 0 != cstrlcpy_~n~0; 369#L520-3 [2021-10-28 22:50:31,826 INFO L793 eck$LassoCheckResult]: Loop: 369#L520-3 cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 370#L520-1 assume !!(0 != cstrlcpy_#t~pre2);havoc cstrlcpy_#t~pre2;cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset := cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_#t~post3.base, 1 + cstrlcpy_#t~post3.offset;cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post4.base, 1 + cstrlcpy_#t~post4.offset;call cstrlcpy_#t~mem5 := read~int(cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, 1);call write~int(cstrlcpy_#t~mem5, cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, 1); 385#L521 assume !(0 == cstrlcpy_#t~mem5);havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset;havoc cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset;havoc cstrlcpy_#t~mem5; 369#L520-3 [2021-10-28 22:50:31,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:31,827 INFO L85 PathProgramCache]: Analyzing trace with hash -294332618, now seen corresponding path program 1 times [2021-10-28 22:50:31,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:31,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865203564] [2021-10-28 22:50:31,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:31,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:31,875 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:50:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:31,897 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:50:31,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:31,898 INFO L85 PathProgramCache]: Analyzing trace with hash 80599, now seen corresponding path program 2 times [2021-10-28 22:50:31,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:31,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099418433] [2021-10-28 22:50:31,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:31,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:31,907 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:50:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:31,915 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:50:31,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:31,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1860246402, now seen corresponding path program 1 times [2021-10-28 22:50:31,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:31,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469169410] [2021-10-28 22:50:31,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:31,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:32,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 22:50:32,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:50:32,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469169410] [2021-10-28 22:50:32,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469169410] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:50:32,110 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:50:32,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 22:50:32,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778658184] [2021-10-28 22:50:32,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:50:32,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 22:50:32,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:50:32,286 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. cyclomatic complexity: 17 Second operand has 7 states, 6 states have (on average 2.5) 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) [2021-10-28 22:50:32,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:32,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:50:32,450 INFO L93 Difference]: Finished difference Result 55 states and 73 transitions. [2021-10-28 22:50:32,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 22:50:32,451 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 73 transitions. [2021-10-28 22:50:32,457 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-28 22:50:32,462 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 55 states and 73 transitions. [2021-10-28 22:50:32,463 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2021-10-28 22:50:32,464 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2021-10-28 22:50:32,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 73 transitions. [2021-10-28 22:50:32,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:50:32,467 INFO L681 BuchiCegarLoop]: Abstraction has 55 states and 73 transitions. [2021-10-28 22:50:32,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 73 transitions. [2021-10-28 22:50:32,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 40. [2021-10-28 22:50:32,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.4) internal successors, (56), 39 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:32,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2021-10-28 22:50:32,479 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 56 transitions. [2021-10-28 22:50:32,479 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 56 transitions. [2021-10-28 22:50:32,479 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 22:50:32,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 56 transitions. [2021-10-28 22:50:32,482 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 22:50:32,482 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:50:32,482 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:50:32,483 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:50:32,484 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:50:32,484 INFO L791 eck$LassoCheckResult]: Stem: 469#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 470#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 487#L536 assume !(main_~length~0 < 1); 473#L536-2 assume main_~n~1 < 1;main_~n~1 := 1; 474#L539-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 465#L545-3 assume !(main_~i~0 < main_~length~0 - 1); 466#L545-4 main_~i~1 := 0; 481#L550-3 assume !(main_~i~1 < main_~n~1 - 1); 477#L550-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 478#L519 assume 0 != cstrlcpy_~n~0; 471#L520-3 cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 472#L520-1 assume !(0 != cstrlcpy_#t~pre2);havoc cstrlcpy_#t~pre2; 489#L519-1 assume 0 == cstrlcpy_~n~0; 490#L526 assume !(0 != cstrlcpy_~siz); 485#L528-2 [2021-10-28 22:50:32,484 INFO L793 eck$LassoCheckResult]: Loop: 485#L528-2 cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post6.base, 1 + cstrlcpy_#t~post6.offset;call cstrlcpy_#t~mem7 := read~int(cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, 1); 486#L528 assume !!(0 != cstrlcpy_#t~mem7);havoc cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset;havoc cstrlcpy_#t~mem7; 485#L528-2 [2021-10-28 22:50:32,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:32,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1736952706, now seen corresponding path program 1 times [2021-10-28 22:50:32,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:32,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141640329] [2021-10-28 22:50:32,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:32,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:32,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:50:32,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:50:32,529 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141640329] [2021-10-28 22:50:32,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141640329] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:50:32,529 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:50:32,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:50:32,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863595223] [2021-10-28 22:50:32,530 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:50:32,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:32,531 INFO L85 PathProgramCache]: Analyzing trace with hash 3526, now seen corresponding path program 1 times [2021-10-28 22:50:32,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:32,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125981008] [2021-10-28 22:50:32,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:32,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:32,537 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:50:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:32,541 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:50:32,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:50:32,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:50:32,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:50:32,593 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. cyclomatic complexity: 22 Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:32,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:50:32,625 INFO L93 Difference]: Finished difference Result 47 states and 63 transitions. [2021-10-28 22:50:32,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 22:50:32,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 63 transitions. [2021-10-28 22:50:32,628 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2021-10-28 22:50:32,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 63 transitions. [2021-10-28 22:50:32,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2021-10-28 22:50:32,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2021-10-28 22:50:32,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 63 transitions. [2021-10-28 22:50:32,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:50:32,633 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 63 transitions. [2021-10-28 22:50:32,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 63 transitions. [2021-10-28 22:50:32,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 42. [2021-10-28 22:50:32,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.380952380952381) internal successors, (58), 41 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:32,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 58 transitions. [2021-10-28 22:50:32,654 INFO L704 BuchiCegarLoop]: Abstraction has 42 states and 58 transitions. [2021-10-28 22:50:32,654 INFO L587 BuchiCegarLoop]: Abstraction has 42 states and 58 transitions. [2021-10-28 22:50:32,654 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 22:50:32,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 58 transitions. [2021-10-28 22:50:32,656 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 22:50:32,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:50:32,656 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:50:32,657 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:50:32,657 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:50:32,657 INFO L791 eck$LassoCheckResult]: Stem: 566#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 567#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 582#L536 assume !(main_~length~0 < 1); 570#L536-2 assume main_~n~1 < 1;main_~n~1 := 1; 571#L539-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 573#L545-3 assume !(main_~i~0 < main_~length~0 - 1); 586#L545-4 main_~i~1 := 0; 576#L550-3 assume !(main_~i~1 < main_~n~1 - 1); 574#L550-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 575#L519 assume 0 != cstrlcpy_~n~0; 568#L520-3 cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 569#L520-1 assume !(0 != cstrlcpy_#t~pre2);havoc cstrlcpy_#t~pre2; 584#L519-1 assume 0 == cstrlcpy_~n~0; 585#L526 assume 0 != cstrlcpy_~siz;call write~int(0, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, 1); 580#L528-2 [2021-10-28 22:50:32,657 INFO L793 eck$LassoCheckResult]: Loop: 580#L528-2 cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post6.base, 1 + cstrlcpy_#t~post6.offset;call cstrlcpy_#t~mem7 := read~int(cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, 1); 581#L528 assume !!(0 != cstrlcpy_#t~mem7);havoc cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset;havoc cstrlcpy_#t~mem7; 580#L528-2 [2021-10-28 22:50:32,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:32,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1736952708, now seen corresponding path program 1 times [2021-10-28 22:50:32,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:32,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419388893] [2021-10-28 22:50:32,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:32,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:32,693 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:50:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:32,742 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:50:32,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:32,746 INFO L85 PathProgramCache]: Analyzing trace with hash 3526, now seen corresponding path program 2 times [2021-10-28 22:50:32,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:32,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122317333] [2021-10-28 22:50:32,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:32,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:32,757 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:50:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:32,765 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:50:32,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:32,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1530728321, now seen corresponding path program 1 times [2021-10-28 22:50:32,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:32,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506525104] [2021-10-28 22:50:32,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:32,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:33,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:50:33,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:50:33,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506525104] [2021-10-28 22:50:33,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506525104] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:50:33,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:50:33,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-28 22:50:33,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887380568] [2021-10-28 22:50:33,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:50:33,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 22:50:33,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-10-28 22:50:33,196 INFO L87 Difference]: Start difference. First operand 42 states and 58 transitions. cyclomatic complexity: 22 Second operand has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:33,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:50:33,463 INFO L93 Difference]: Finished difference Result 63 states and 78 transitions. [2021-10-28 22:50:33,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 22:50:33,464 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 78 transitions. [2021-10-28 22:50:33,465 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-28 22:50:33,466 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 53 states and 68 transitions. [2021-10-28 22:50:33,466 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2021-10-28 22:50:33,466 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2021-10-28 22:50:33,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 68 transitions. [2021-10-28 22:50:33,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:50:33,467 INFO L681 BuchiCegarLoop]: Abstraction has 53 states and 68 transitions. [2021-10-28 22:50:33,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 68 transitions. [2021-10-28 22:50:33,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 42. [2021-10-28 22:50:33,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 41 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:33,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 57 transitions. [2021-10-28 22:50:33,471 INFO L704 BuchiCegarLoop]: Abstraction has 42 states and 57 transitions. [2021-10-28 22:50:33,471 INFO L587 BuchiCegarLoop]: Abstraction has 42 states and 57 transitions. [2021-10-28 22:50:33,471 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 22:50:33,471 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 57 transitions. [2021-10-28 22:50:33,472 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 22:50:33,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:50:33,472 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:50:33,473 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:50:33,473 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:50:33,474 INFO L791 eck$LassoCheckResult]: Stem: 696#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 697#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 713#L536 assume !(main_~length~0 < 1); 700#L536-2 assume !(main_~n~1 < 1); 702#L539-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 703#L545-3 assume !(main_~i~0 < main_~length~0 - 1); 721#L545-4 main_~i~1 := 0; 722#L550-3 assume !(main_~i~1 < main_~n~1 - 1); 704#L550-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 705#L519 assume 0 != cstrlcpy_~n~0; 698#L520-3 cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 699#L520-1 assume !(0 != cstrlcpy_#t~pre2);havoc cstrlcpy_#t~pre2; 715#L519-1 assume 0 == cstrlcpy_~n~0; 716#L526 assume 0 != cstrlcpy_~siz;call write~int(0, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, 1); 711#L528-2 [2021-10-28 22:50:33,474 INFO L793 eck$LassoCheckResult]: Loop: 711#L528-2 cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post6.base, 1 + cstrlcpy_#t~post6.offset;call cstrlcpy_#t~mem7 := read~int(cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, 1); 712#L528 assume !!(0 != cstrlcpy_#t~mem7);havoc cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset;havoc cstrlcpy_#t~mem7; 711#L528-2 [2021-10-28 22:50:33,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:33,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1035888130, now seen corresponding path program 1 times [2021-10-28 22:50:33,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:33,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053477481] [2021-10-28 22:50:33,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:33,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:33,488 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:50:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:33,505 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:50:33,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:33,506 INFO L85 PathProgramCache]: Analyzing trace with hash 3526, now seen corresponding path program 3 times [2021-10-28 22:50:33,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:33,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021729519] [2021-10-28 22:50:33,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:33,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:33,511 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:50:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:33,515 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:50:33,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:33,516 INFO L85 PathProgramCache]: Analyzing trace with hash 943922307, now seen corresponding path program 1 times [2021-10-28 22:50:33,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:33,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111749517] [2021-10-28 22:50:33,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:33,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:33,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:50:33,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:50:33,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111749517] [2021-10-28 22:50:33,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111749517] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:50:33,765 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:50:33,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-28 22:50:33,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526268482] [2021-10-28 22:50:33,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:50:33,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 22:50:33,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-10-28 22:50:33,822 INFO L87 Difference]: Start difference. First operand 42 states and 57 transitions. cyclomatic complexity: 21 Second operand has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:34,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:50:34,130 INFO L93 Difference]: Finished difference Result 61 states and 76 transitions. [2021-10-28 22:50:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 22:50:34,131 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 76 transitions. [2021-10-28 22:50:34,132 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-28 22:50:34,133 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 51 states and 63 transitions. [2021-10-28 22:50:34,133 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2021-10-28 22:50:34,133 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-10-28 22:50:34,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 63 transitions. [2021-10-28 22:50:34,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:50:34,134 INFO L681 BuchiCegarLoop]: Abstraction has 51 states and 63 transitions. [2021-10-28 22:50:34,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 63 transitions. [2021-10-28 22:50:34,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 42. [2021-10-28 22:50:34,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 41 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:34,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 54 transitions. [2021-10-28 22:50:34,138 INFO L704 BuchiCegarLoop]: Abstraction has 42 states and 54 transitions. [2021-10-28 22:50:34,138 INFO L587 BuchiCegarLoop]: Abstraction has 42 states and 54 transitions. [2021-10-28 22:50:34,138 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 22:50:34,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 54 transitions. [2021-10-28 22:50:34,139 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 22:50:34,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:50:34,139 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:50:34,140 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:50:34,140 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:50:34,140 INFO L791 eck$LassoCheckResult]: Stem: 825#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 826#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 841#L536 assume !(main_~length~0 < 1); 829#L536-2 assume !(main_~n~1 < 1); 831#L539-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 832#L545-3 assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~0, 1);havoc main_#t~nondet13; 852#L545-2 main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 853#L545-3 assume !(main_~i~0 < main_~length~0 - 1); 849#L545-4 main_~i~1 := 0; 850#L550-3 assume !!(main_~i~1 < main_~n~1 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~1, 1);havoc main_#t~nondet15; 838#L550-2 main_#t~post14 := main_~i~1;main_~i~1 := 1 + main_#t~post14;havoc main_#t~post14; 837#L550-3 assume !(main_~i~1 < main_~n~1 - 1); 833#L550-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 834#L519 assume 0 != cstrlcpy_~n~0; 857#L520-3 [2021-10-28 22:50:34,140 INFO L793 eck$LassoCheckResult]: Loop: 857#L520-3 cstrlcpy_#t~pre2 := cstrlcpy_~n~0 - 1;cstrlcpy_~n~0 := cstrlcpy_~n~0 - 1; 858#L520-1 assume !!(0 != cstrlcpy_#t~pre2);havoc cstrlcpy_#t~pre2;cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset := cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_#t~post3.base, 1 + cstrlcpy_#t~post3.offset;cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post4.base, 1 + cstrlcpy_#t~post4.offset;call cstrlcpy_#t~mem5 := read~int(cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, 1);call write~int(cstrlcpy_#t~mem5, cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, 1); 859#L521 assume !(0 == cstrlcpy_#t~mem5);havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset;havoc cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset;havoc cstrlcpy_#t~mem5; 857#L520-3 [2021-10-28 22:50:34,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:34,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1313217428, now seen corresponding path program 1 times [2021-10-28 22:50:34,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:34,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761796108] [2021-10-28 22:50:34,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:34,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:34,153 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:50:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:34,167 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:50:34,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:34,168 INFO L85 PathProgramCache]: Analyzing trace with hash 80599, now seen corresponding path program 3 times [2021-10-28 22:50:34,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:34,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771380811] [2021-10-28 22:50:34,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:34,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:34,174 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:50:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:34,180 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:50:34,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:34,180 INFO L85 PathProgramCache]: Analyzing trace with hash -796650908, now seen corresponding path program 1 times [2021-10-28 22:50:34,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:34,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943641602] [2021-10-28 22:50:34,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:34,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:34,194 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:50:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:34,214 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:50:36,056 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:50:36,057 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:50:36,057 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:50:36,057 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:50:36,057 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:50:36,057 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:36,058 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:50:36,058 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:50:36,058 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-1.i_Iteration8_Lasso [2021-10-28 22:50:36,058 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:50:36,058 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:50:36,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:36,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:50:37,774 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:50:37,774 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:50:37,774 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:37,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:37,780 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:37,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:37,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 22:50:37,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:37,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:37,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:37,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:37,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:37,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:37,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:37,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:37,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:37,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:37,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:37,865 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:37,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:37,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:37,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:37,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:37,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:37,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:37,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:37,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:37,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 22:50:37,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:37,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:37,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:37,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:37,953 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:37,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 22:50:37,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:37,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:37,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:37,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:37,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:37,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:37,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:37,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:37,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:38,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:38,005 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:38,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:38,006 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:38,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 22:50:38,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:38,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:38,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:38,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:38,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:38,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:38,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:38,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:38,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:38,070 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:38,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:38,071 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:38,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 22:50:38,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:38,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:38,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:38,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:38,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:38,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:38,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:38,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:38,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:38,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:38,110 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:38,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:38,120 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:38,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 22:50:38,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:38,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:38,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:38,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:38,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:38,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:38,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:38,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:38,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:38,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-28 22:50:38,165 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:38,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:38,166 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:38,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:38,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 22:50:38,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:38,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:38,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:38,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:38,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:38,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:38,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:38,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:38,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:38,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:38,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:38,214 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:38,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 22:50:38,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:38,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:38,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:38,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:38,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:38,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:38,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:38,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:38,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:38,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:38,269 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:38,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:38,271 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:38,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:38,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:38,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:38,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:38,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:38,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:38,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:38,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:38,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 22:50:38,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:38,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:38,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:38,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:38,345 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:38,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 22:50:38,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:38,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:38,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:38,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:38,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:38,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:38,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:38,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:38,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-28 22:50:38,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:38,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:38,410 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:38,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:38,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 22:50:38,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:38,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:38,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:38,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:38,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:38,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:38,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:38,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:38,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:38,449 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:38,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:38,450 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:38,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 22:50:38,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:38,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:38,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:38,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:38,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:38,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:38,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:38,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:38,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:38,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-28 22:50:38,513 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:38,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:38,514 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:38,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 22:50:38,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:38,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:38,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:38,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:38,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:38,531 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:38,531 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:38,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:38,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:38,594 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:38,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:38,595 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:38,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:38,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 22:50:38,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:38,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:38,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:38,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:38,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:38,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:38,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:38,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:38,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:38,638 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:38,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:38,639 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:38,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 22:50:38,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:38,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:38,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:50:38,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:38,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:38,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:38,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:50:38,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:50:38,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:38,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-28 22:50:38,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:38,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:38,680 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:38,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 22:50:38,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:38,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:38,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:38,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:38,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:38,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:38,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:38,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:38,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:38,774 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:38,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:38,775 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:38,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:38,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:38,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:38,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:38,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:38,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:38,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:38,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 22:50:38,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:38,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:38,859 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:38,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:38,861 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:38,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:38,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:38,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:38,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:38,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:38,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:38,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:38,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 22:50:38,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:50:38,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:38,942 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:38,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:38,944 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:38,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:50:38,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:50:38,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:50:38,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:50:38,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:50:38,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 22:50:38,968 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:50:38,968 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:50:38,992 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:50:39,036 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-28 22:50:39,036 INFO L444 ModelExtractionUtils]: 19 out of 31 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-10-28 22:50:39,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:50:39,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:39,038 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:39,040 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:50:39,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 22:50:39,058 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:50:39,058 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:50:39,058 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlcpy_~s~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_3) = -1*ULTIMATE.start_cstrlcpy_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_3 Supporting invariants [] [2021-10-28 22:50:39,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-28 22:50:39,146 INFO L297 tatePredicateManager]: 17 out of 18 supporting invariants were superfluous and have been removed [2021-10-28 22:50:39,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:39,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 22:50:39,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:50:39,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:39,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 22:50:39,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:50:39,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:50:39,436 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-10-28 22:50:39,437 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 54 transitions. cyclomatic complexity: 18 Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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) [2021-10-28 22:50:39,501 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 54 transitions. cyclomatic complexity: 18. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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) Result 55 states and 71 transitions. Complement of second has 6 states. [2021-10-28 22:50:39,502 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 [2021-10-28 22:50:39,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 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) [2021-10-28 22:50:39,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2021-10-28 22:50:39,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 14 letters. Loop has 3 letters. [2021-10-28 22:50:39,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:50:39,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 17 letters. Loop has 3 letters. [2021-10-28 22:50:39,505 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:50:39,505 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 14 letters. Loop has 6 letters. [2021-10-28 22:50:39,505 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:50:39,506 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 71 transitions. [2021-10-28 22:50:39,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:50:39,509 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 18 states and 22 transitions. [2021-10-28 22:50:39,510 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-28 22:50:39,510 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 22:50:39,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 22 transitions. [2021-10-28 22:50:39,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:50:39,511 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-10-28 22:50:39,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 22 transitions. [2021-10-28 22:50:39,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-10-28 22:50:39,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:39,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2021-10-28 22:50:39,517 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-10-28 22:50:39,518 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-10-28 22:50:39,518 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 22:50:39,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 22 transitions. [2021-10-28 22:50:39,518 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:50:39,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:50:39,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:50:39,520 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:50:39,520 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:50:39,520 INFO L791 eck$LassoCheckResult]: Stem: 1076#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1077#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16, main_~length~0, main_~n~1, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~1 := main_#t~nondet9;havoc main_#t~nondet9; 1087#L536 assume !(main_~length~0 < 1); 1078#L536-2 assume !(main_~n~1 < 1); 1079#L539-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 1072#L545-3 assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet13, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~0, 1);havoc main_#t~nondet13; 1073#L545-2 main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 1074#L545-3 assume !(main_~i~0 < main_~length~0 - 1); 1075#L545-4 main_~i~1 := 0; 1082#L550-3 assume !!(main_~i~1 < main_~n~1 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~1, 1);havoc main_#t~nondet15; 1083#L550-2 main_#t~post14 := main_~i~1;main_~i~1 := 1 + main_#t~post14;havoc main_#t~post14; 1084#L550-3 assume !(main_~i~1 < main_~n~1 - 1); 1080#L550-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~n~1 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length~0 - 1), 1);cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset, cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset, cstrlcpy_#in~siz := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~n~1;havoc cstrlcpy_#res;havoc cstrlcpy_#t~post3.base, cstrlcpy_#t~post3.offset, cstrlcpy_#t~post4.base, cstrlcpy_#t~post4.offset, cstrlcpy_#t~mem5, cstrlcpy_#t~pre2, cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, cstrlcpy_#t~mem7, cstrlcpy_~dst.base, cstrlcpy_~dst.offset, cstrlcpy_~src.base, cstrlcpy_~src.offset, cstrlcpy_~siz, cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset, cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset, cstrlcpy_~n~0;cstrlcpy_~dst.base, cstrlcpy_~dst.offset := cstrlcpy_#in~dst.base, cstrlcpy_#in~dst.offset;cstrlcpy_~src.base, cstrlcpy_~src.offset := cstrlcpy_#in~src.base, cstrlcpy_#in~src.offset;cstrlcpy_~siz := cstrlcpy_#in~siz;cstrlcpy_~d~0.base, cstrlcpy_~d~0.offset := cstrlcpy_~dst.base, cstrlcpy_~dst.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_~src.base, cstrlcpy_~src.offset;cstrlcpy_~n~0 := cstrlcpy_~siz; 1081#L519 assume !(0 != cstrlcpy_~n~0); 1089#L519-1 assume 0 == cstrlcpy_~n~0; 1088#L526 assume !(0 != cstrlcpy_~siz); 1085#L528-2 [2021-10-28 22:50:39,521 INFO L793 eck$LassoCheckResult]: Loop: 1085#L528-2 cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset := cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset;cstrlcpy_~s~0.base, cstrlcpy_~s~0.offset := cstrlcpy_#t~post6.base, 1 + cstrlcpy_#t~post6.offset;call cstrlcpy_#t~mem7 := read~int(cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset, 1); 1086#L528 assume !!(0 != cstrlcpy_#t~mem7);havoc cstrlcpy_#t~post6.base, cstrlcpy_#t~post6.offset;havoc cstrlcpy_#t~mem7; 1085#L528-2 [2021-10-28 22:50:39,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:39,521 INFO L85 PathProgramCache]: Analyzing trace with hash -718415251, now seen corresponding path program 1 times [2021-10-28 22:50:39,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:39,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855732740] [2021-10-28 22:50:39,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:39,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:39,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-28 22:50:39,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:50:39,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855732740] [2021-10-28 22:50:39,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855732740] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:50:39,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:50:39,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:50:39,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799674007] [2021-10-28 22:50:39,572 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:50:39,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:39,572 INFO L85 PathProgramCache]: Analyzing trace with hash 3526, now seen corresponding path program 4 times [2021-10-28 22:50:39,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:39,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898362004] [2021-10-28 22:50:39,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:39,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:39,577 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:50:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:50:39,581 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:50:39,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:50:39,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:50:39,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:50:39,631 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:39,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:50:39,652 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2021-10-28 22:50:39,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 22:50:39,653 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2021-10-28 22:50:39,653 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:50:39,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2021-10-28 22:50:39,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 22:50:39,653 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 22:50:39,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 22:50:39,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:50:39,654 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:50:39,654 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:50:39,654 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:50:39,654 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 22:50:39,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:50:39,655 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:50:39,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 22:50:39,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 10:50:39 BoogieIcfgContainer [2021-10-28 22:50:39,668 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 22:50:39,669 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:50:39,669 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:50:39,669 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:50:39,670 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:50:24" (3/4) ... [2021-10-28 22:50:39,673 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 22:50:39,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:50:39,676 INFO L168 Benchmark]: Toolchain (without parser) took 16171.82 ms. Allocated memory was 102.8 MB in the beginning and 159.4 MB in the end (delta: 56.6 MB). Free memory was 66.3 MB in the beginning and 98.7 MB in the end (delta: -32.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:50:39,676 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 102.8 MB. Free memory is still 84.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:50:39,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.31 ms. Allocated memory is still 102.8 MB. Free memory was 66.1 MB in the beginning and 72.6 MB in the end (delta: -6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:50:39,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.05 ms. Allocated memory is still 102.8 MB. Free memory was 72.6 MB in the beginning and 70.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:50:39,680 INFO L168 Benchmark]: Boogie Preprocessor took 34.64 ms. Allocated memory is still 102.8 MB. Free memory was 70.8 MB in the beginning and 69.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:50:39,681 INFO L168 Benchmark]: RCFGBuilder took 564.01 ms. Allocated memory is still 102.8 MB. Free memory was 69.1 MB in the beginning and 57.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 22:50:39,681 INFO L168 Benchmark]: BuchiAutomizer took 14675.32 ms. Allocated memory was 102.8 MB in the beginning and 159.4 MB in the end (delta: 56.6 MB). Free memory was 57.2 MB in the beginning and 98.7 MB in the end (delta: -41.4 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:50:39,682 INFO L168 Benchmark]: Witness Printer took 5.06 ms. Allocated memory is still 159.4 MB. Free memory is still 98.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:50:39,684 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 102.8 MB. Free memory is still 84.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 766.31 ms. Allocated memory is still 102.8 MB. Free memory was 66.1 MB in the beginning and 72.6 MB in the end (delta: -6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.05 ms. Allocated memory is still 102.8 MB. Free memory was 72.6 MB in the beginning and 70.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.64 ms. Allocated memory is still 102.8 MB. Free memory was 70.8 MB in the beginning and 69.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 564.01 ms. Allocated memory is still 102.8 MB. Free memory was 69.1 MB in the beginning and 57.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 14675.32 ms. Allocated memory was 102.8 MB in the beginning and 159.4 MB in the end (delta: 56.6 MB). Free memory was 57.2 MB in the beginning and 98.7 MB in the end (delta: -41.4 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.06 ms. Allocated memory is still 159.4 MB. Free memory is still 98.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (6 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * i + n and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] + -1 * s and consists of 5 locations. 6 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.6s and 10 iterations. TraceHistogramMax:1. Analysis of lassos took 12.5s. Construction of modules took 0.4s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 9. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 45 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 42 states and ocurred in iteration 5. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 180 SDtfs, 332 SDslu, 410 SDs, 0 SdLazy, 292 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc4 concLT0 SILN0 SILU2 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital191 mio100 ax111 hnf99 lsp83 ukn77 mio100 lsp43 div100 bol100 ite100 ukn100 eq175 hnf90 smp98 dnf111 smp100 tf100 neg99 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 62ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 22:50:39,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd31627-f685-4ba3-9771-e5ae293c11a9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...