./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8 --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 d8697c629a22dee8b5a51c26261db89d3e1115a5e0c1bc03fd54c09ffc3b9b0d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:26:46,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:26:46,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:26:46,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:26:46,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:26:46,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:26:46,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:26:46,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:26:46,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:26:46,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:26:46,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:26:46,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:26:46,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:26:46,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:26:46,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:26:46,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:26:46,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:26:46,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:26:46,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:26:46,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:26:46,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:26:46,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:26:46,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:26:46,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:26:46,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:26:46,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:26:46,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:26:46,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:26:46,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:26:46,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:26:46,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:26:46,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:26:46,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:26:46,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:26:46,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:26:46,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:26:46,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:26:46,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:26:46,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:26:46,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:26:46,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:26:46,412 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:26:46,445 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:26:46,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:26:46,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:26:46,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:26:46,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:26:46,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:26:46,447 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:26:46,448 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:26:46,448 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:26:46,448 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:26:46,448 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:26:46,448 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:26:46,449 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:26:46,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:26:46,449 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:26:46,449 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:26:46,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:26:46,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:26:46,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:26:46,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:26:46,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:26:46,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:26:46,451 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:26:46,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:26:46,451 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:26:46,451 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:26:46,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:26:46,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:26:46,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:26:46,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:26:46,452 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:26:46,453 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:26:46,454 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_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8697c629a22dee8b5a51c26261db89d3e1115a5e0c1bc03fd54c09ffc3b9b0d [2022-11-16 12:26:46,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:26:46,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:26:46,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:26:46,782 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:26:46,784 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:26:46,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i [2022-11-16 12:26:46,883 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/data/9fe162f26/c9cd466f10dc4abdbdab52375571e105/FLAG91c99e1fa [2022-11-16 12:26:47,499 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:26:47,499 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/sv-benchmarks/c/array-memsafety/cstrncat-alloca-2.i [2022-11-16 12:26:47,510 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/data/9fe162f26/c9cd466f10dc4abdbdab52375571e105/FLAG91c99e1fa [2022-11-16 12:26:47,821 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/data/9fe162f26/c9cd466f10dc4abdbdab52375571e105 [2022-11-16 12:26:47,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:26:47,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:26:47,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:26:47,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:26:47,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:26:47,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:26:47" (1/1) ... [2022-11-16 12:26:47,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d15045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:47, skipping insertion in model container [2022-11-16 12:26:47,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:26:47" (1/1) ... [2022-11-16 12:26:47,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:26:47,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:26:48,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:26:48,274 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:26:48,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:26:48,377 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:26:48,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:48 WrapperNode [2022-11-16 12:26:48,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:26:48,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:26:48,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:26:48,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:26:48,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:48" (1/1) ... [2022-11-16 12:26:48,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:48" (1/1) ... [2022-11-16 12:26:48,451 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2022-11-16 12:26:48,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:26:48,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:26:48,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:26:48,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:26:48,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:48" (1/1) ... [2022-11-16 12:26:48,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:48" (1/1) ... [2022-11-16 12:26:48,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:48" (1/1) ... [2022-11-16 12:26:48,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:48" (1/1) ... [2022-11-16 12:26:48,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:48" (1/1) ... [2022-11-16 12:26:48,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:48" (1/1) ... [2022-11-16 12:26:48,501 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:48" (1/1) ... [2022-11-16 12:26:48,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:48" (1/1) ... [2022-11-16 12:26:48,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:26:48,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:26:48,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:26:48,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:26:48,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:48" (1/1) ... [2022-11-16 12:26:48,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:48,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:48,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:48,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:26:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:26:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:26:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:26:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:26:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:26:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:26:48,799 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:26:48,801 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:26:49,167 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:26:49,173 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:26:49,174 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 12:26:49,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:49 BoogieIcfgContainer [2022-11-16 12:26:49,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:26:49,180 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:26:49,181 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:26:49,186 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:26:49,187 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:26:49,188 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:26:47" (1/3) ... [2022-11-16 12:26:49,189 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@509f9264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:26:49, skipping insertion in model container [2022-11-16 12:26:49,189 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:26:49,190 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:48" (2/3) ... [2022-11-16 12:26:49,190 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@509f9264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:26:49, skipping insertion in model container [2022-11-16 12:26:49,190 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:26:49,191 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:49" (3/3) ... [2022-11-16 12:26:49,192 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrncat-alloca-2.i [2022-11-16 12:26:49,263 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:26:49,263 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:26:49,264 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:26:49,264 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:26:49,264 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:26:49,264 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:26:49,264 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:26:49,265 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:26:49,270 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) [2022-11-16 12:26:49,297 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2022-11-16 12:26:49,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:26:49,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:26:49,303 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-16 12:26:49,304 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:26:49,304 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:26:49,304 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) [2022-11-16 12:26:49,307 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2022-11-16 12:26:49,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:26:49,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:26:49,308 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-16 12:26:49,308 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:26:49,316 INFO L748 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 14#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~ret19#1.base, main_#t~ret19#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 15#L531true assume !(main_~length1~0#1 < 1); 17#L531-2true assume !(main_~length2~0#1 < 1); 2#L534-1true assume !(main_~n~0#1 < 1); 10#L537-1true assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 5#L544-3true [2022-11-16 12:26:49,317 INFO L750 eck$LassoCheckResult]: Loop: 5#L544-3true assume !!(main_~i~0#1 < main_~length1~0#1 - main_~n~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 7#L544-2true main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 5#L544-3true [2022-11-16 12:26:49,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:49,323 INFO L85 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2022-11-16 12:26:49,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:49,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485576523] [2022-11-16 12:26:49,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:49,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:49,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:26:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:49,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:26:49,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:49,502 INFO L85 PathProgramCache]: Analyzing trace with hash 2019, now seen corresponding path program 1 times [2022-11-16 12:26:49,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:49,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059789596] [2022-11-16 12:26:49,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:49,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:49,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:26:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:49,525 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:26:49,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:49,527 INFO L85 PathProgramCache]: Analyzing trace with hash 180553841, now seen corresponding path program 1 times [2022-11-16 12:26:49,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:49,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380132247] [2022-11-16 12:26:49,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:49,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:49,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:26:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:49,693 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:26:50,160 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:26:50,160 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:26:50,161 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:26:50,161 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:26:50,161 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:26:50,161 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:50,161 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:26:50,161 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:26:50,162 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncat-alloca-2.i_Iteration1_Lasso [2022-11-16 12:26:50,162 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:26:50,162 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:26:50,184 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:50,194 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:50,197 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:50,202 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:50,515 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:50,519 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:50,527 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:50,530 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:50,533 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:50,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:50,542 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:50,546 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:50,551 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:50,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:50,558 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:50,560 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:50,564 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:51,111 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:26:51,117 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:26:51,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:51,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:51,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:51,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 12:26:51,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:51,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:51,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:26:51,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:51,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:51,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:51,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:26:51,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:26:51,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:51,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:51,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:51,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:51,173 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:51,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 12:26:51,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:51,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:51,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:26:51,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:51,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:51,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:51,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:26:51,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:26:51,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:51,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:51,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:51,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:51,231 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:51,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:51,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:26:51,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:51,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:51,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:51,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:51,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:51,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:51,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:51,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:51,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:51,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:51,294 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:51,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:51,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:26:51,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:51,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:51,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:51,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:51,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:51,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:51,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:51,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:51,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:51,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:51,358 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:51,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:51,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 12:26:51,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:51,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:51,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:51,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:51,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:51,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:51,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:51,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:51,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:51,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:51,422 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:51,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 12:26:51,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:51,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:51,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:26:51,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:51,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:51,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:51,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:26:51,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:26:51,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:51,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:51,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:51,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:51,472 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:51,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:51,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 12:26:51,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:51,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:51,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:51,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:51,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:51,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:51,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:51,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:51,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:51,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:51,533 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:51,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:51,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:51,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:51,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:51,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:51,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 12:26:51,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:51,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:51,615 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:26:51,687 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-16 12:26:51,687 INFO L444 ModelExtractionUtils]: 5 out of 31 variables were initially zero. Simplification set additionally 22 variables to zero. [2022-11-16 12:26:51,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:51,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:51,693 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:51,701 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:26:51,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 12:26:51,732 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:26:51,733 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:26:51,733 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nondetString1~0#1.offset, ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1) = -1*ULTIMATE.start_main_~nondetString1~0#1.offset - 1*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 Supporting invariants [] [2022-11-16 12:26:51,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:51,768 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-16 12:26:51,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:51,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:26:51,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:26:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:51,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:26:51,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:26:51,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:51,909 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:26:51,911 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:51,989 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 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 61 states and 89 transitions. Complement of second has 7 states. [2022-11-16 12:26:51,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:26:51,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:51,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 62 transitions. [2022-11-16 12:26:51,999 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 62 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-16 12:26:52,000 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:26:52,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 62 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-16 12:26:52,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:26:52,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 62 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-16 12:26:52,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:26:52,002 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 89 transitions. [2022-11-16 12:26:52,007 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2022-11-16 12:26:52,010 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 18 states and 26 transitions. [2022-11-16 12:26:52,012 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-16 12:26:52,012 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-16 12:26:52,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2022-11-16 12:26:52,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:52,013 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2022-11-16 12:26:52,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2022-11-16 12:26:52,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-16 12:26:52,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:52,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 26 transitions. [2022-11-16 12:26:52,042 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2022-11-16 12:26:52,042 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 26 transitions. [2022-11-16 12:26:52,042 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:26:52,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 26 transitions. [2022-11-16 12:26:52,043 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2022-11-16 12:26:52,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:26:52,044 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:26:52,044 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:52,044 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:26:52,045 INFO L748 eck$LassoCheckResult]: Stem: 165#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 166#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~ret19#1.base, main_#t~ret19#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 174#L531 assume !(main_~length1~0#1 < 1); 175#L531-2 assume !(main_~length2~0#1 < 1); 159#L534-1 assume !(main_~n~0#1 < 1); 160#L537-1 assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 161#L544-3 assume !(main_~i~0#1 < main_~length1~0#1 - main_~n~0#1 - 1); 163#L544-4 main_~i~1#1 := 0; 167#L549-3 [2022-11-16 12:26:52,045 INFO L750 eck$LassoCheckResult]: Loop: 167#L549-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet18#1; 169#L549-2 main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 167#L549-3 [2022-11-16 12:26:52,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:52,046 INFO L85 PathProgramCache]: Analyzing trace with hash 180553783, now seen corresponding path program 1 times [2022-11-16 12:26:52,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:52,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425702708] [2022-11-16 12:26:52,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:52,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:52,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:26:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:52,078 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:26:52,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:52,078 INFO L85 PathProgramCache]: Analyzing trace with hash 2467, now seen corresponding path program 1 times [2022-11-16 12:26:52,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:52,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958124641] [2022-11-16 12:26:52,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:52,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:52,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:26:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:52,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:26:52,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:52,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1713495129, now seen corresponding path program 1 times [2022-11-16 12:26:52,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:52,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495729608] [2022-11-16 12:26:52,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:52,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:52,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:52,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:52,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495729608] [2022-11-16 12:26:52,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495729608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:52,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:52,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:26:52,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282852572] [2022-11-16 12:26:52,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:52,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:52,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:52,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:26:52,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:26:52,338 INFO L87 Difference]: Start difference. First operand 18 states and 26 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:52,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:26:52,439 INFO L93 Difference]: Finished difference Result 41 states and 56 transitions. [2022-11-16 12:26:52,440 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 56 transitions. [2022-11-16 12:26:52,441 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 17 [2022-11-16 12:26:52,442 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 56 transitions. [2022-11-16 12:26:52,443 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2022-11-16 12:26:52,443 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2022-11-16 12:26:52,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 56 transitions. [2022-11-16 12:26:52,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:52,444 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 56 transitions. [2022-11-16 12:26:52,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 56 transitions. [2022-11-16 12:26:52,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 25. [2022-11-16 12:26:52,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:52,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 36 transitions. [2022-11-16 12:26:52,447 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 36 transitions. [2022-11-16 12:26:52,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:26:52,449 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 36 transitions. [2022-11-16 12:26:52,449 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 12:26:52,449 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 36 transitions. [2022-11-16 12:26:52,450 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2022-11-16 12:26:52,450 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:26:52,450 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:26:52,451 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:52,451 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:26:52,452 INFO L748 eck$LassoCheckResult]: Stem: 240#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 241#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~ret19#1.base, main_#t~ret19#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 249#L531 assume !(main_~length1~0#1 < 1); 250#L531-2 assume main_~length2~0#1 < 1;main_~length2~0#1 := 1; 232#L534-1 assume !(main_~n~0#1 < 1); 233#L537-1 assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 243#L544-3 assume !(main_~i~0#1 < main_~length1~0#1 - main_~n~0#1 - 1); 236#L544-4 main_~i~1#1 := 0; 242#L549-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 244#L549-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - main_~n~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncat } true;cstrncat_#in~s1#1.base, cstrncat_#in~s1#1.offset, cstrncat_#in~s2#1.base, cstrncat_#in~s2#1.offset, cstrncat_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~0#1;havoc cstrncat_#res#1.base, cstrncat_#res#1.offset;havoc cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset, cstrncat_#t~mem2#1, cstrncat_#t~post7#1, cstrncat_#t~post8#1.base, cstrncat_#t~post8#1.offset, cstrncat_#t~post4#1.base, cstrncat_#t~post4#1.offset, cstrncat_#t~mem5#1, cstrncat_#t~short6#1, cstrncat_#t~mem9#1, cstrncat_~s1#1.base, cstrncat_~s1#1.offset, cstrncat_~s2#1.base, cstrncat_~s2#1.offset, cstrncat_~n#1, cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset;cstrncat_~s1#1.base, cstrncat_~s1#1.offset := cstrncat_#in~s1#1.base, cstrncat_#in~s1#1.offset;cstrncat_~s2#1.base, cstrncat_~s2#1.offset := cstrncat_#in~s2#1.base, cstrncat_#in~s2#1.offset;cstrncat_~n#1 := cstrncat_#in~n#1;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_~s1#1.base, cstrncat_~s1#1.offset; 245#L517-3 [2022-11-16 12:26:52,452 INFO L750 eck$LassoCheckResult]: Loop: 245#L517-3 call cstrncat_#t~mem2#1 := read~int(cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset, 1); 248#L517-1 assume !!(0 != cstrncat_#t~mem2#1);havoc cstrncat_#t~mem2#1;cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset := cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_#t~post3#1.base, 1 + cstrncat_#t~post3#1.offset;havoc cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset; 245#L517-3 [2022-11-16 12:26:52,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:52,453 INFO L85 PathProgramCache]: Analyzing trace with hash -61512291, now seen corresponding path program 1 times [2022-11-16 12:26:52,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:52,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506094954] [2022-11-16 12:26:52,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:52,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:52,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:26:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:52,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:26:52,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:52,534 INFO L85 PathProgramCache]: Analyzing trace with hash 2822, now seen corresponding path program 1 times [2022-11-16 12:26:52,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:52,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741072232] [2022-11-16 12:26:52,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:52,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:52,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:26:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:52,548 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:26:52,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:52,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1016232354, now seen corresponding path program 1 times [2022-11-16 12:26:52,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:52,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249849495] [2022-11-16 12:26:52,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:52,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:53,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:53,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:53,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249849495] [2022-11-16 12:26:53,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249849495] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:53,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:53,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:26:53,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119508509] [2022-11-16 12:26:53,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:53,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:53,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:26:53,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:26:53,081 INFO L87 Difference]: Start difference. First operand 25 states and 36 transitions. cyclomatic complexity: 16 Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:53,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:26:53,363 INFO L93 Difference]: Finished difference Result 38 states and 51 transitions. [2022-11-16 12:26:53,363 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 51 transitions. [2022-11-16 12:26:53,365 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2022-11-16 12:26:53,365 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 38 states and 51 transitions. [2022-11-16 12:26:53,366 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2022-11-16 12:26:53,366 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2022-11-16 12:26:53,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 51 transitions. [2022-11-16 12:26:53,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:53,367 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 51 transitions. [2022-11-16 12:26:53,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 51 transitions. [2022-11-16 12:26:53,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2022-11-16 12:26:53,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 29 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:53,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions. [2022-11-16 12:26:53,370 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 41 transitions. [2022-11-16 12:26:53,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:26:53,372 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2022-11-16 12:26:53,372 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 12:26:53,372 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 41 transitions. [2022-11-16 12:26:53,373 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2022-11-16 12:26:53,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:26:53,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:26:53,374 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:53,375 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:26:53,375 INFO L748 eck$LassoCheckResult]: Stem: 320#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 321#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~ret19#1.base, main_#t~ret19#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 330#L531 assume !(main_~length1~0#1 < 1); 331#L531-2 assume !(main_~length2~0#1 < 1); 333#L534-1 assume !(main_~n~0#1 < 1); 338#L537-1 assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 314#L544-3 assume !!(main_~i~0#1 < main_~length1~0#1 - main_~n~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 315#L544-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 322#L544-3 assume !(main_~i~0#1 < main_~length1~0#1 - main_~n~0#1 - 1); 337#L544-4 main_~i~1#1 := 0; 335#L549-3 [2022-11-16 12:26:53,375 INFO L750 eck$LassoCheckResult]: Loop: 335#L549-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet18#1; 334#L549-2 main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 335#L549-3 [2022-11-16 12:26:53,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:53,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1713550361, now seen corresponding path program 1 times [2022-11-16 12:26:53,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:53,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982723292] [2022-11-16 12:26:53,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:53,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:53,391 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:26:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:53,403 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:26:53,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:53,404 INFO L85 PathProgramCache]: Analyzing trace with hash 2467, now seen corresponding path program 2 times [2022-11-16 12:26:53,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:53,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976693099] [2022-11-16 12:26:53,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:53,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:53,410 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:26:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:53,414 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:26:53,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:53,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1749424059, now seen corresponding path program 1 times [2022-11-16 12:26:53,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:53,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054973119] [2022-11-16 12:26:53,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:53,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:53,431 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:26:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:53,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:26:53,993 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:26:53,993 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:26:53,993 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:26:53,993 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:26:53,993 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:26:53,993 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:53,993 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:26:53,993 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:26:53,994 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncat-alloca-2.i_Iteration4_Lasso [2022-11-16 12:26:53,994 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:26:53,994 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:26:53,998 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:54,002 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:54,005 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:54,008 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:54,011 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:54,387 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:54,390 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:54,392 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:54,396 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:54,399 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:54,401 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:54,405 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:54,407 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:54,410 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:54,413 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:55,035 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:26:55,035 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:26:55,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:55,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:55,048 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:55,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:55,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 12:26:55,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:55,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:55,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:55,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:55,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:55,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:55,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:55,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:55,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:55,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:55,108 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:55,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:55,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 12:26:55,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:55,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:26:55,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:55,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:55,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:55,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:26:55,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:26:55,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:55,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:55,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:55,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:55,165 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:55,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:55,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 12:26:55,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:55,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:55,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:55,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:55,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:55,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:55,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:55,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:55,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:55,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:55,211 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:55,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:55,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 12:26:55,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:55,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:26:55,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:55,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:55,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:55,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:26:55,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:26:55,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:55,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:55,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:55,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:55,259 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:55,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:55,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 12:26:55,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:55,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:55,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:55,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:55,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:55,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:55,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:55,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:55,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:55,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:55,300 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:55,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 12:26:55,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:55,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:55,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:55,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:55,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:55,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:55,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:55,371 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:26:55,428 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-16 12:26:55,428 INFO L444 ModelExtractionUtils]: 7 out of 43 variables were initially zero. Simplification set additionally 32 variables to zero. [2022-11-16 12:26:55,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:55,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:55,431 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:55,445 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:26:55,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 12:26:55,472 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:26:55,472 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:26:55,472 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~nondetString2~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1) = -1*ULTIMATE.start_main_~i~1#1 - 1*ULTIMATE.start_main_~nondetString2~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 Supporting invariants [] [2022-11-16 12:26:55,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:55,515 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2022-11-16 12:26:55,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:55,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:26:55,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:26:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:55,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:26:55,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:26:55,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:55,610 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:26:55,611 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 41 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:55,642 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 41 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 60 transitions. Complement of second has 6 states. [2022-11-16 12:26:55,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:26:55,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:55,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2022-11-16 12:26:55,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 10 letters. Loop has 2 letters. [2022-11-16 12:26:55,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:26:55,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 12 letters. Loop has 2 letters. [2022-11-16 12:26:55,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:26:55,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 10 letters. Loop has 4 letters. [2022-11-16 12:26:55,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:26:55,647 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 60 transitions. [2022-11-16 12:26:55,652 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-16 12:26:55,655 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 31 states and 43 transitions. [2022-11-16 12:26:55,655 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-11-16 12:26:55,656 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2022-11-16 12:26:55,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 43 transitions. [2022-11-16 12:26:55,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:55,657 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 43 transitions. [2022-11-16 12:26:55,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 43 transitions. [2022-11-16 12:26:55,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-11-16 12:26:55,664 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) [2022-11-16 12:26:55,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2022-11-16 12:26:55,667 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 43 transitions. [2022-11-16 12:26:55,668 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 43 transitions. [2022-11-16 12:26:55,668 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-16 12:26:55,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 43 transitions. [2022-11-16 12:26:55,670 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-16 12:26:55,670 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:26:55,670 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:26:55,671 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:55,671 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:26:55,672 INFO L748 eck$LassoCheckResult]: Stem: 484#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 485#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~ret19#1.base, main_#t~ret19#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 495#L531 assume !(main_~length1~0#1 < 1); 496#L531-2 assume main_~length2~0#1 < 1;main_~length2~0#1 := 1; 477#L534-1 assume !(main_~n~0#1 < 1); 478#L537-1 assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 479#L544-3 assume !!(main_~i~0#1 < main_~length1~0#1 - main_~n~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 480#L544-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 482#L544-3 assume !(main_~i~0#1 < main_~length1~0#1 - main_~n~0#1 - 1); 483#L544-4 main_~i~1#1 := 0; 507#L549-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 489#L549-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - main_~n~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncat } true;cstrncat_#in~s1#1.base, cstrncat_#in~s1#1.offset, cstrncat_#in~s2#1.base, cstrncat_#in~s2#1.offset, cstrncat_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~0#1;havoc cstrncat_#res#1.base, cstrncat_#res#1.offset;havoc cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset, cstrncat_#t~mem2#1, cstrncat_#t~post7#1, cstrncat_#t~post8#1.base, cstrncat_#t~post8#1.offset, cstrncat_#t~post4#1.base, cstrncat_#t~post4#1.offset, cstrncat_#t~mem5#1, cstrncat_#t~short6#1, cstrncat_#t~mem9#1, cstrncat_~s1#1.base, cstrncat_~s1#1.offset, cstrncat_~s2#1.base, cstrncat_~s2#1.offset, cstrncat_~n#1, cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset;cstrncat_~s1#1.base, cstrncat_~s1#1.offset := cstrncat_#in~s1#1.base, cstrncat_#in~s1#1.offset;cstrncat_~s2#1.base, cstrncat_~s2#1.offset := cstrncat_#in~s2#1.base, cstrncat_#in~s2#1.offset;cstrncat_~n#1 := cstrncat_#in~n#1;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_~s1#1.base, cstrncat_~s1#1.offset; 506#L517-3 [2022-11-16 12:26:55,672 INFO L750 eck$LassoCheckResult]: Loop: 506#L517-3 call cstrncat_#t~mem2#1 := read~int(cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset, 1); 505#L517-1 assume !!(0 != cstrncat_#t~mem2#1);havoc cstrncat_#t~mem2#1;cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset := cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_#t~post3#1.base, 1 + cstrncat_#t~post3#1.offset;havoc cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset; 506#L517-3 [2022-11-16 12:26:55,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:55,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1069365631, now seen corresponding path program 1 times [2022-11-16 12:26:55,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:55,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7691160] [2022-11-16 12:26:55,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:55,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:55,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:26:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:55,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:26:55,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:55,728 INFO L85 PathProgramCache]: Analyzing trace with hash 2822, now seen corresponding path program 2 times [2022-11-16 12:26:55,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:55,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014643254] [2022-11-16 12:26:55,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:55,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:55,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:26:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:55,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:26:55,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:55,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1163189508, now seen corresponding path program 1 times [2022-11-16 12:26:55,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:55,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663102688] [2022-11-16 12:26:55,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:55,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:55,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:26:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:55,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:26:56,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:56,937 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:26:56,938 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:26:56,938 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:26:56,938 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:26:56,938 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:26:56,938 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:56,938 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:26:56,938 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:26:56,938 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncat-alloca-2.i_Iteration5_Lasso [2022-11-16 12:26:56,938 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:26:56,938 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:26:56,945 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:56,948 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:56,951 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:56,955 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:56,958 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:56,960 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,711 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,714 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,716 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,719 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,721 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,724 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,726 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,732 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,734 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,737 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,739 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,746 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,755 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,758 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,761 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,763 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,765 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,767 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,770 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,772 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,775 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,777 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,779 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:57,782 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:26:58,746 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:26:58,746 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:26:58,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:58,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:58,748 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:58,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 12:26:58,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:58,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:58,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:26:58,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:58,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:58,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:58,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:26:58,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:26:58,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:58,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:58,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:58,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:58,808 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:58,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 12:26:58,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:58,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:58,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:58,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:58,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:58,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:58,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:58,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:58,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:58,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:58,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:58,842 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:58,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 12:26:58,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:58,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:58,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:26:58,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:58,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:58,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:58,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:26:58,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:26:58,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:58,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-11-16 12:26:58,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:58,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:58,873 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:58,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 12:26:58,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:58,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:58,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:58,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:58,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:58,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:58,889 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:58,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:58,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:58,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:58,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:58,925 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:58,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 12:26:58,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:58,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:58,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:26:58,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:58,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:58,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:58,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:26:58,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:26:58,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:58,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-11-16 12:26:58,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:58,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:58,945 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:58,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 12:26:58,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:58,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:58,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:58,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:58,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:58,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:58,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:58,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:58,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:58,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:58,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:58,987 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:58,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 12:26:58,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:59,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:59,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:59,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:59,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:59,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:59,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:59,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:59,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:59,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:59,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:59,012 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:59,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:59,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 12:26:59,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:59,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:59,030 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 12:26:59,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:59,037 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-16 12:26:59,037 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-16 12:26:59,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:59,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:59,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:59,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:59,077 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:59,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:59,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 12:26:59,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:59,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:59,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:59,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:59,098 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:59,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:59,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:59,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:59,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:59,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:59,118 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:59,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:59,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 12:26:59,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:59,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:59,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:59,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:59,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:59,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:59,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:59,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:59,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:59,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:59,168 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:59,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-16 12:26:59,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:59,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:59,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:59,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:59,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:59,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:59,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:59,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:59,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-16 12:26:59,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:59,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:59,215 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:59,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-16 12:26:59,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:59,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:59,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:59,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:59,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:59,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:59,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:59,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:26:59,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:59,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:59,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:59,256 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:59,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:26:59,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-16 12:26:59,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:26:59,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:26:59,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:26:59,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:26:59,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:26:59,317 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 12:26:59,352 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:26:59,439 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2022-11-16 12:26:59,439 INFO L444 ModelExtractionUtils]: 33 out of 61 variables were initially zero. Simplification set additionally 25 variables to zero. [2022-11-16 12:26:59,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:26:59,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:59,443 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:59,452 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:26:59,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-16 12:26:59,470 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 12:26:59,470 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:26:59,470 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncat_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_3) = -1*ULTIMATE.start_cstrncat_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_3 Supporting invariants [] [2022-11-16 12:26:59,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:59,547 INFO L156 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2022-11-16 12:26:59,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:59,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 12:26:59,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:26:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:59,635 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 12:26:59,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:26:59,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:59,662 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:26:59,663 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 43 transitions. cyclomatic complexity: 17 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:59,710 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 43 transitions. cyclomatic complexity: 17. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 64 transitions. Complement of second has 6 states. [2022-11-16 12:26:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:26:59,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:59,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 29 transitions. [2022-11-16 12:26:59,712 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 12 letters. Loop has 2 letters. [2022-11-16 12:26:59,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:26:59,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 14 letters. Loop has 2 letters. [2022-11-16 12:26:59,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:26:59,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 12 letters. Loop has 4 letters. [2022-11-16 12:26:59,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:26:59,714 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 64 transitions. [2022-11-16 12:26:59,715 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:26:59,715 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 40 states and 54 transitions. [2022-11-16 12:26:59,716 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-11-16 12:26:59,716 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-11-16 12:26:59,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 54 transitions. [2022-11-16 12:26:59,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:26:59,717 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 54 transitions. [2022-11-16 12:26:59,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 54 transitions. [2022-11-16 12:26:59,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2022-11-16 12:26:59,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.358974358974359) internal successors, (53), 38 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:59,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2022-11-16 12:26:59,720 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 53 transitions. [2022-11-16 12:26:59,720 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 53 transitions. [2022-11-16 12:26:59,721 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-16 12:26:59,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 53 transitions. [2022-11-16 12:26:59,721 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 12:26:59,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:26:59,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:26:59,722 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:59,723 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 12:26:59,723 INFO L748 eck$LassoCheckResult]: Stem: 693#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 694#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~ret19#1.base, main_#t~ret19#1.offset, main_~length1~0#1, main_~length2~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~n~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 707#L531 assume !(main_~length1~0#1 < 1); 708#L531-2 assume main_~length2~0#1 < 1;main_~length2~0#1 := 1; 686#L534-1 assume !(main_~n~0#1 < 1); 687#L537-1 assume !(main_~length1~0#1 < main_~n~0#1 || main_~length1~0#1 - main_~n~0#1 < main_~length2~0#1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 688#L544-3 assume !(main_~i~0#1 < main_~length1~0#1 - main_~n~0#1 - 1); 690#L544-4 main_~i~1#1 := 0; 695#L549-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 696#L549-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - main_~n~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrncat } true;cstrncat_#in~s1#1.base, cstrncat_#in~s1#1.offset, cstrncat_#in~s2#1.base, cstrncat_#in~s2#1.offset, cstrncat_#in~n#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~0#1;havoc cstrncat_#res#1.base, cstrncat_#res#1.offset;havoc cstrncat_#t~post3#1.base, cstrncat_#t~post3#1.offset, cstrncat_#t~mem2#1, cstrncat_#t~post7#1, cstrncat_#t~post8#1.base, cstrncat_#t~post8#1.offset, cstrncat_#t~post4#1.base, cstrncat_#t~post4#1.offset, cstrncat_#t~mem5#1, cstrncat_#t~short6#1, cstrncat_#t~mem9#1, cstrncat_~s1#1.base, cstrncat_~s1#1.offset, cstrncat_~s2#1.base, cstrncat_~s2#1.offset, cstrncat_~n#1, cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset;cstrncat_~s1#1.base, cstrncat_~s1#1.offset := cstrncat_#in~s1#1.base, cstrncat_#in~s1#1.offset;cstrncat_~s2#1.base, cstrncat_~s2#1.offset := cstrncat_#in~s2#1.base, cstrncat_#in~s2#1.offset;cstrncat_~n#1 := cstrncat_#in~n#1;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_~s1#1.base, cstrncat_~s1#1.offset; 700#L517-3 call cstrncat_#t~mem2#1 := read~int(cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset, 1); 705#L517-1 assume !(0 != cstrncat_#t~mem2#1);havoc cstrncat_#t~mem2#1; 706#L519-4 cstrncat_#t~short6#1 := 0 != cstrncat_~n#1; 711#L519 assume !cstrncat_#t~short6#1; 714#L519-2 assume !!cstrncat_#t~short6#1;havoc cstrncat_#t~post4#1.base, cstrncat_#t~post4#1.offset;havoc cstrncat_#t~mem5#1;havoc cstrncat_#t~short6#1;cstrncat_#t~post7#1 := cstrncat_~n#1;cstrncat_~n#1 := cstrncat_#t~post7#1 - 1;havoc cstrncat_#t~post7#1;cstrncat_#t~post8#1.base, cstrncat_#t~post8#1.offset := cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_#t~post8#1.base, 1 + cstrncat_#t~post8#1.offset;havoc cstrncat_#t~post8#1.base, cstrncat_#t~post8#1.offset; 723#L519-4 cstrncat_#t~short6#1 := 0 != cstrncat_~n#1; 710#L519 [2022-11-16 12:26:59,723 INFO L750 eck$LassoCheckResult]: Loop: 710#L519 assume !cstrncat_#t~short6#1; 701#L519-2 assume !!cstrncat_#t~short6#1;havoc cstrncat_#t~post4#1.base, cstrncat_#t~post4#1.offset;havoc cstrncat_#t~mem5#1;havoc cstrncat_#t~short6#1;cstrncat_#t~post7#1 := cstrncat_~n#1;cstrncat_~n#1 := cstrncat_#t~post7#1 - 1;havoc cstrncat_#t~post7#1;cstrncat_#t~post8#1.base, cstrncat_#t~post8#1.offset := cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset;cstrncat_~s~0#1.base, cstrncat_~s~0#1.offset := cstrncat_#t~post8#1.base, 1 + cstrncat_#t~post8#1.offset;havoc cstrncat_#t~post8#1.base, cstrncat_#t~post8#1.offset; 702#L519-4 cstrncat_#t~short6#1 := 0 != cstrncat_~n#1; 710#L519 [2022-11-16 12:26:59,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:59,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1436393274, now seen corresponding path program 1 times [2022-11-16 12:26:59,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:59,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529897315] [2022-11-16 12:26:59,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:59,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:59,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-16 12:26:59,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:59,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:59,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529897315] [2022-11-16 12:26:59,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529897315] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:59,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:59,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:26:59,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552814932] [2022-11-16 12:26:59,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:59,779 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:26:59,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:59,780 INFO L85 PathProgramCache]: Analyzing trace with hash 104447, now seen corresponding path program 1 times [2022-11-16 12:26:59,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:59,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329631174] [2022-11-16 12:26:59,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:59,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:59,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:59,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:59,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329631174] [2022-11-16 12:26:59,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329631174] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:59,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:59,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:59,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430162969] [2022-11-16 12:26:59,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:59,792 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:26:59,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:59,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:59,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:59,793 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. cyclomatic complexity: 20 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:59,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:26:59,806 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2022-11-16 12:26:59,806 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 49 transitions. [2022-11-16 12:26:59,808 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:26:59,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2022-11-16 12:26:59,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 12:26:59,808 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 12:26:59,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 12:26:59,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:59,809 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:26:59,809 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:26:59,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:59,811 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:26:59,812 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-16 12:26:59,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:26:59,812 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:26:59,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 12:26:59,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:26:59 BoogieIcfgContainer [2022-11-16 12:26:59,824 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:26:59,825 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:26:59,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:26:59,825 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:26:59,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:49" (3/4) ... [2022-11-16 12:26:59,829 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:26:59,829 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:26:59,830 INFO L158 Benchmark]: Toolchain (without parser) took 12001.21ms. Allocated memory was 130.0MB in the beginning and 211.8MB in the end (delta: 81.8MB). Free memory was 96.0MB in the beginning and 175.4MB in the end (delta: -79.4MB). Peak memory consumption was 982.7kB. Max. memory is 16.1GB. [2022-11-16 12:26:59,830 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 96.5MB. Free memory was 51.4MB in the beginning and 51.4MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:26:59,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.90ms. Allocated memory is still 130.0MB. Free memory was 95.7MB in the beginning and 100.0MB in the end (delta: -4.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:26:59,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.32ms. Allocated memory is still 130.0MB. Free memory was 100.0MB in the beginning and 97.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:26:59,832 INFO L158 Benchmark]: Boogie Preprocessor took 63.79ms. Allocated memory is still 130.0MB. Free memory was 97.9MB in the beginning and 96.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:26:59,832 INFO L158 Benchmark]: RCFGBuilder took 662.72ms. Allocated memory is still 130.0MB. Free memory was 96.7MB in the beginning and 83.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 12:26:59,832 INFO L158 Benchmark]: BuchiAutomizer took 10643.39ms. Allocated memory was 130.0MB in the beginning and 211.8MB in the end (delta: 81.8MB). Free memory was 82.7MB in the beginning and 175.4MB in the end (delta: -92.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:26:59,833 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 211.8MB. Free memory is still 175.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:26:59,835 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 96.5MB. Free memory was 51.4MB in the beginning and 51.4MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.90ms. Allocated memory is still 130.0MB. Free memory was 95.7MB in the beginning and 100.0MB in the end (delta: -4.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.32ms. Allocated memory is still 130.0MB. Free memory was 100.0MB in the beginning and 97.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.79ms. Allocated memory is still 130.0MB. Free memory was 97.9MB in the beginning and 96.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 662.72ms. Allocated memory is still 130.0MB. Free memory was 96.7MB in the beginning and 83.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 10643.39ms. Allocated memory was 130.0MB in the beginning and 211.8MB in the end (delta: 81.8MB). Free memory was 82.7MB in the beginning and 175.4MB in the end (delta: -92.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 211.8MB. Free memory is still 175.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + -1 * nondetString1 + unknown-#length-unknown[nondetString1] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[nondetString2] + -1 * nondetString2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[nondetString1] and consists of 4 locations. 3 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.5s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 9.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 25 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 172 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 170 mSDsluCounter, 271 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 148 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 123 mSDtfsCounter, 131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI1 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital178 mio100 ax110 hnf100 lsp85 ukn89 mio100 lsp63 div179 bol100 ite100 ukn100 eq155 hnf93 smp70 dnf100 smp100 tf100 neg98 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 3 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 12:26:59,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b22d8de-d14b-4261-a6a1-46bf58728d3f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE