./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8688e0efa9d37c2205606fbd307da42d83b0f0e2936dd15336b8b67e136d86b0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:19:49,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:19:49,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:19:49,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:19:49,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:19:49,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:19:49,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:19:49,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:19:49,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:19:49,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:19:49,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:19:49,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:19:49,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:19:49,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:19:49,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:19:49,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:19:49,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:19:49,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:19:49,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:19:49,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:19:49,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:19:49,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:19:49,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:19:49,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:19:49,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:19:49,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:19:49,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:19:49,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:19:49,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:19:49,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:19:49,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:19:49,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:19:49,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:19:49,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:19:49,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:19:49,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:19:49,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:19:49,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:19:49,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:19:49,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:19:49,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:19:49,682 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:19:49,736 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:19:49,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:19:49,737 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:19:49,738 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:19:49,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:19:49,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:19:49,739 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:19:49,740 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:19:49,740 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:19:49,740 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:19:49,741 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:19:49,741 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:19:49,742 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:19:49,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:19:49,742 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:19:49,742 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:19:49,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:19:49,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:19:49,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:19:49,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:19:49,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:19:49,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:19:49,744 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:19:49,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:19:49,744 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:19:49,745 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:19:49,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:19:49,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:19:49,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:19:49,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:19:49,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:19:49,748 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:19:49,749 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:19:49,749 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_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8688e0efa9d37c2205606fbd307da42d83b0f0e2936dd15336b8b67e136d86b0 [2021-10-28 23:19:50,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:19:50,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:19:50,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:19:50,137 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:19:50,138 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:19:50,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2021-10-28 23:19:50,225 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/data/7fd07c9aa/34188e3fd4894b279ca90193a80c10f8/FLAG99daec5ea [2021-10-28 23:19:50,842 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:19:50,843 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2021-10-28 23:19:50,856 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/data/7fd07c9aa/34188e3fd4894b279ca90193a80c10f8/FLAG99daec5ea [2021-10-28 23:19:51,123 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/data/7fd07c9aa/34188e3fd4894b279ca90193a80c10f8 [2021-10-28 23:19:51,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:19:51,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:19:51,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:19:51,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:19:51,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:19:51,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:19:51" (1/1) ... [2021-10-28 23:19:51,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed6f4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:51, skipping insertion in model container [2021-10-28 23:19:51,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:19:51" (1/1) ... [2021-10-28 23:19:51,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:19:51,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:19:51,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:19:51,477 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:19:51,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:19:51,547 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:19:51,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:51 WrapperNode [2021-10-28 23:19:51,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:19:51,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:19:51,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:19:51,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:19:51,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:51" (1/1) ... [2021-10-28 23:19:51,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:51" (1/1) ... [2021-10-28 23:19:51,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:19:51,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:19:51,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:19:51,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:19:51,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:51" (1/1) ... [2021-10-28 23:19:51,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:51" (1/1) ... [2021-10-28 23:19:51,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:51" (1/1) ... [2021-10-28 23:19:51,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:51" (1/1) ... [2021-10-28 23:19:51,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:51" (1/1) ... [2021-10-28 23:19:51,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:51" (1/1) ... [2021-10-28 23:19:51,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:51" (1/1) ... [2021-10-28 23:19:51,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:19:51,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:19:51,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:19:51,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:19:51,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:51" (1/1) ... [2021-10-28 23:19:51,634 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:51,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:51,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:51,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:19:51,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:19:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:19:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:19:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:19:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:19:51,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:19:52,002 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:19:52,003 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-28 23:19:52,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:19:52 BoogieIcfgContainer [2021-10-28 23:19:52,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:19:52,006 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:19:52,006 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:19:52,009 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:19:52,010 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:19:52,010 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:19:51" (1/3) ... [2021-10-28 23:19:52,012 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32c8687a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:19:52, skipping insertion in model container [2021-10-28 23:19:52,012 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:19:52,012 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:19:51" (2/3) ... [2021-10-28 23:19:52,012 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32c8687a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:19:52, skipping insertion in model container [2021-10-28 23:19:52,013 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:19:52,013 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:19:52" (3/3) ... [2021-10-28 23:19:52,014 INFO L389 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcat-alloca-2.i [2021-10-28 23:19:52,098 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:19:52,098 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:19:52,098 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:19:52,098 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:19:52,098 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:19:52,098 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:19:52,099 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:19:52,099 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:19:52,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:52,134 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2021-10-28 23:19:52,135 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:19:52,135 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:19:52,141 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:19:52,141 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:19:52,141 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:19:52,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:52,144 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2021-10-28 23:19:52,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:19:52,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:19:52,145 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:19:52,145 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:19:52,166 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16.base, main_#t~ret16.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 3#L525true assume !(main_~length1~0 < 1); 11#L525-2true assume !(main_~length2~0 < 2); 21#L528-1true assume !(main_~length3~0 < 1); 13#L531-1true assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 4#L538-3true [2021-10-28 23:19:52,166 INFO L793 eck$LassoCheckResult]: Loop: 4#L538-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet13, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet13; 18#L538-2true main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 4#L538-3true [2021-10-28 23:19:52,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:52,173 INFO L85 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2021-10-28 23:19:52,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:52,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492275055] [2021-10-28 23:19:52,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:52,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:52,347 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:52,413 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:52,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:52,428 INFO L85 PathProgramCache]: Analyzing trace with hash 2019, now seen corresponding path program 1 times [2021-10-28 23:19:52,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:52,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701838659] [2021-10-28 23:19:52,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:52,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:52,443 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:52,452 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:52,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:52,454 INFO L85 PathProgramCache]: Analyzing trace with hash 180553841, now seen corresponding path program 1 times [2021-10-28 23:19:52,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:52,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489076303] [2021-10-28 23:19:52,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:52,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:52,483 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:52,507 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:53,135 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:19:53,136 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:19:53,136 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:19:53,136 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:19:53,136 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:19:53,136 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:53,136 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:19:53,137 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:19:53,154 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-2.i_Iteration1_Lasso [2021-10-28 23:19:53,154 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:19:53,155 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:19:53,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:53,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:53,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:53,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:53,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:53,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:53,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:53,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:53,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:53,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:53,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:53,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:53,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:53,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:53,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:53,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:53,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:53,664 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:19:53,668 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:19:53,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:53,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:53,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:53,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:53,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:19:53,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:53,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:53,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:53,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:53,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:53,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:53,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:53,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:53,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:53,742 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:53,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:53,745 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:53,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:53,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:53,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:53,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:53,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:53,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:53,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:19:53,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:53,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:53,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:53,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:53,785 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:53,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:53,787 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:53,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:19:53,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:53,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:53,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:53,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:53,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:53,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:53,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:53,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:53,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:53,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:53,850 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:53,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:53,851 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:53,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:19:53,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:53,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:53,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:53,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:53,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:53,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:19:53,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:19:53,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:53,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:53,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:53,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:53,900 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:53,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:19:53,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:53,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:53,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:53,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:53,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:53,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:53,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:53,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:53,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:53,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:53,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:53,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:53,942 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:53,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:19:53,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:53,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:53,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:53,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:53,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:53,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:19:53,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:19:53,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:54,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-28 23:19:54,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:54,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:54,003 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:54,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:19:54,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:54,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:54,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:54,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:54,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:54,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:54,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:54,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:54,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:54,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-28 23:19:54,043 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:54,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:54,044 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:54,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:19:54,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:54,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:54,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:54,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:54,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:54,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:54,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:54,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:54,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:54,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:54,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:54,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:54,086 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:54,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:19:54,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:54,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:54,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:54,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:54,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:54,098 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:19:54,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:19:54,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:54,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:54,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:54,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:54,151 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:54,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:19:54,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:54,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:54,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:54,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:54,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:54,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:54,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:54,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:54,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:54,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-10-28 23:19:54,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:54,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:54,194 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:54,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:19:54,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:54,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:54,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:54,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:54,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:54,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:54,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:54,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:54,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:54,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:54,247 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:54,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:54,252 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:54,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:19:54,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:54,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:54,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:54,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:54,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:54,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:54,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:54,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:54,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:54,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:54,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:54,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:54,310 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:54,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:19:54,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:54,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:54,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:54,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:54,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:54,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:19:54,334 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:19:54,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:54,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:54,371 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:54,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:54,372 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:54,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:19:54,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:54,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:54,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:54,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:54,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:54,406 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:19:54,406 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:19:54,431 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:19:54,467 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-28 23:19:54,467 INFO L444 ModelExtractionUtils]: 23 out of 31 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-10-28 23:19:54,468 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:54,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:54,480 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:54,531 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:19:54,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:19:54,547 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:19:54,547 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:19:54,548 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~length1~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-10-28 23:19:54,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:54,610 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-28 23:19:54,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:19:54,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:19:54,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:19:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:19:54,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:19:54,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:19:54,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:19:54,721 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:19:54,722 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2021-10-28 23:19:54,776 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 55 states and 77 transitions. Complement of second has 7 states. [2021-10-28 23:19:54,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:19:54,779 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) [2021-10-28 23:19:54,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2021-10-28 23:19:54,781 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-28 23:19:54,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:19:54,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 8 letters. Loop has 2 letters. [2021-10-28 23:19:54,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:19:54,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-28 23:19:54,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:19:54,784 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 77 transitions. [2021-10-28 23:19:54,788 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-28 23:19:54,800 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 18 states and 25 transitions. [2021-10-28 23:19:54,801 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-10-28 23:19:54,802 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-10-28 23:19:54,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-10-28 23:19:54,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:19:54,803 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-28 23:19:54,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-10-28 23:19:54,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-10-28 23:19:54,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:54,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-10-28 23:19:54,858 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-28 23:19:54,858 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-28 23:19:54,858 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:19:54,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-10-28 23:19:54,859 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-28 23:19:54,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:19:54,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:19:54,860 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:19:54,860 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:19:54,861 INFO L791 eck$LassoCheckResult]: Stem: 158#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 159#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16.base, main_#t~ret16.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 156#L525 assume !(main_~length1~0 < 1); 157#L525-2 assume !(main_~length2~0 < 2); 165#L528-1 assume !(main_~length3~0 < 1); 167#L531-1 assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 152#L538-3 assume !(main_~i~0 < main_~length1~0 - 1); 154#L538-4 main_~i~1 := 0; 160#L542-3 [2021-10-28 23:19:54,861 INFO L793 eck$LassoCheckResult]: Loop: 160#L542-3 assume !!(main_~i~1 < main_~length3~0 - 1);call write~int(main_#t~nondet15, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet15; 166#L542-2 main_#t~post14 := main_~i~1;main_~i~1 := 1 + main_#t~post14;havoc main_#t~post14; 160#L542-3 [2021-10-28 23:19:54,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:54,864 INFO L85 PathProgramCache]: Analyzing trace with hash 180553783, now seen corresponding path program 1 times [2021-10-28 23:19:54,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:54,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733096016] [2021-10-28 23:19:54,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:54,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:54,885 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:54,918 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:54,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:54,921 INFO L85 PathProgramCache]: Analyzing trace with hash 2467, now seen corresponding path program 1 times [2021-10-28 23:19:54,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:54,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393087285] [2021-10-28 23:19:54,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:54,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:54,940 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:54,949 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:54,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:54,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1713495129, now seen corresponding path program 1 times [2021-10-28 23:19:54,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:54,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423885582] [2021-10-28 23:19:54,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:54,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:54,975 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:55,008 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:55,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:55,441 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:19:55,442 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:19:55,442 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:19:55,443 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:19:55,444 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:19:55,444 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:55,445 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:19:55,445 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:19:55,445 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-2.i_Iteration2_Lasso [2021-10-28 23:19:55,445 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:19:55,445 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:19:55,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:55,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:55,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:55,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:55,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:55,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:55,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:55,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:55,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:55,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:55,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:55,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:55,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:55,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:55,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:55,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:55,924 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:19:55,924 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:19:55,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:55,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:55,928 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:55,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:55,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:55,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:55,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:55,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:55,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:55,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:55,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:55,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 23:19:55,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:55,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:55,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:55,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:55,997 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:56,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:56,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:56,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:56,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:56,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:56,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 23:19:56,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:19:56,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:19:56,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:56,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:56,074 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:56,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:56,075 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:56,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 23:19:56,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:56,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:56,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:56,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:56,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:56,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:56,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:56,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:56,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:56,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:56,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:56,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:56,148 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:56,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 23:19:56,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:56,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:56,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:56,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:56,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:56,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:19:56,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:19:56,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:56,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:56,226 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:56,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:56,231 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:56,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:56,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:56,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:56,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:56,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:56,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:19:56,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:19:56,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 23:19:56,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:56,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:56,312 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:56,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:56,313 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:56,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:56,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:56,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:56,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:56,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:56,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:56,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:56,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:56,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 23:19:56,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:56,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:56,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:56,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:56,377 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:56,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:56,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:56,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:56,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:56,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:56,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:56,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:56,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:56,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 23:19:56,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:56,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:56,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:56,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:56,453 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:56,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:56,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:56,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:56,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:56,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:56,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:56,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 23:19:56,469 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:56,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:56,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:56,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:56,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:56,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:56,519 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:56,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:56,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:56,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:56,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:56,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:56,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:56,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:56,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:56,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 23:19:56,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:56,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:56,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:56,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:56,587 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:56,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:56,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 23:19:56,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:56,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:56,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:56,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:56,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:19:56,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:19:56,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:56,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:56,662 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:56,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:56,663 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:56,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:56,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:56,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:56,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:56,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:56,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:56,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:56,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:56,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 23:19:56,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:56,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:56,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:56,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:56,727 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:56,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:56,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:56,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:56,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:56,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:56,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:56,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:56,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:56,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 23:19:56,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:56,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:56,804 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:56,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:56,806 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:56,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:56,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:56,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:56,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:56,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:56,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:19:56,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:19:56,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 23:19:56,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:56,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:56,871 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:56,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:56,872 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:56,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:56,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:56,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:19:56,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:56,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:56,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:56,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:19:56,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:19:56,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 23:19:56,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:56,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:56,934 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:56,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:56,935 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:56,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 23:19:56,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:56,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:56,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:56,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:56,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:56,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:19:56,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:19:56,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:19:57,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:57,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:57,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:57,007 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:57,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:19:57,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:19:57,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:19:57,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:19:57,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:19:57,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:19:57,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:19:57,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 23:19:57,050 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:19:57,090 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-28 23:19:57,090 INFO L444 ModelExtractionUtils]: 9 out of 34 variables were initially zero. Simplification set additionally 21 variables to zero. [2021-10-28 23:19:57,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:57,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:19:57,091 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:19:57,094 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:19:57,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 23:19:57,108 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:19:57,108 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:19:57,108 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_1, ULTIMATE.start_main_~i~1, ULTIMATE.start_main_~nondetString2~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_1 - 1*ULTIMATE.start_main_~i~1 - 1*ULTIMATE.start_main_~nondetString2~0.offset Supporting invariants [] [2021-10-28 23:19:57,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:57,163 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-10-28 23:19:57,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:19:57,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:19:57,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:19:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:19:57,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:19:57,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:19:57,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:19:57,258 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:19:57,259 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:57,291 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 38 transitions. Complement of second has 6 states. [2021-10-28 23:19:57,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:19:57,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:57,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-10-28 23:19:57,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 8 letters. Loop has 2 letters. [2021-10-28 23:19:57,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:19:57,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-28 23:19:57,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:19:57,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-28 23:19:57,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:19:57,295 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 38 transitions. [2021-10-28 23:19:57,296 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 23:19:57,297 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 19 states and 27 transitions. [2021-10-28 23:19:57,297 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-28 23:19:57,298 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-10-28 23:19:57,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. [2021-10-28 23:19:57,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:19:57,298 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2021-10-28 23:19:57,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. [2021-10-28 23:19:57,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-10-28 23:19:57,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:57,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2021-10-28 23:19:57,301 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2021-10-28 23:19:57,301 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2021-10-28 23:19:57,301 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:19:57,301 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2021-10-28 23:19:57,302 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 23:19:57,303 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:19:57,303 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:19:57,303 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:19:57,303 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:19:57,304 INFO L791 eck$LassoCheckResult]: Stem: 279#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 280#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16.base, main_#t~ret16.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 273#L525 assume !(main_~length1~0 < 1); 274#L525-2 assume !(main_~length2~0 < 2); 288#L528-1 assume !(main_~length3~0 < 1); 289#L531-1 assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 275#L538-3 assume !(main_~i~0 < main_~length1~0 - 1); 277#L538-4 main_~i~1 := 0; 281#L542-3 assume !(main_~i~1 < main_~length3~0 - 1); 290#L542-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length3~0 - 1), 1);cstrcat_#in~s.base, cstrcat_#in~s.offset, cstrcat_#in~append.base, cstrcat_#in~append.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset, cstrcat_#t~mem3, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, cstrcat_#t~post5.base, cstrcat_#t~post5.offset, cstrcat_#t~mem6, cstrcat_~s.base, cstrcat_~s.offset, cstrcat_~append.base, cstrcat_~append.offset, cstrcat_~save~0.base, cstrcat_~save~0.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#in~s.base, cstrcat_#in~s.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#in~append.base, cstrcat_#in~append.offset;cstrcat_~save~0.base, cstrcat_~save~0.offset := cstrcat_~s.base, cstrcat_~s.offset; 291#L517-4 [2021-10-28 23:19:57,304 INFO L793 eck$LassoCheckResult]: Loop: 291#L517-4 call cstrcat_#t~mem3 := read~int(cstrcat_~s.base, cstrcat_~s.offset, 1); 282#L517-1 assume !!(0 != cstrcat_#t~mem3);havoc cstrcat_#t~mem3; 284#L517-3 cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset; 291#L517-4 [2021-10-28 23:19:57,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:57,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1713495071, now seen corresponding path program 1 times [2021-10-28 23:19:57,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:57,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728298226] [2021-10-28 23:19:57,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:57,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:57,321 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:57,340 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:57,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:57,341 INFO L85 PathProgramCache]: Analyzing trace with hash 86554, now seen corresponding path program 1 times [2021-10-28 23:19:57,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:57,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55164480] [2021-10-28 23:19:57,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:57,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:57,346 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:57,351 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:57,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:57,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1045403964, now seen corresponding path program 1 times [2021-10-28 23:19:57,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:57,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144150059] [2021-10-28 23:19:57,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:57,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:19:57,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:19:57,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:19:57,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144150059] [2021-10-28 23:19:57,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144150059] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:19:57,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:19:57,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-28 23:19:57,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529488085] [2021-10-28 23:19:57,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:19:57,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:19:57,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:19:57,649 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:57,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:19:57,739 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2021-10-28 23:19:57,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:19:57,740 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2021-10-28 23:19:57,742 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-28 23:19:57,743 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 34 transitions. [2021-10-28 23:19:57,743 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-10-28 23:19:57,743 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2021-10-28 23:19:57,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2021-10-28 23:19:57,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:19:57,744 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2021-10-28 23:19:57,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2021-10-28 23:19:57,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22. [2021-10-28 23:19:57,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:57,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2021-10-28 23:19:57,747 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2021-10-28 23:19:57,747 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2021-10-28 23:19:57,747 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 23:19:57,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2021-10-28 23:19:57,748 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 23:19:57,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:19:57,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:19:57,749 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:19:57,749 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:19:57,750 INFO L791 eck$LassoCheckResult]: Stem: 341#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 342#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16.base, main_#t~ret16.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 335#L525 assume !(main_~length1~0 < 1); 336#L525-2 assume !(main_~length2~0 < 2); 349#L528-1 assume !(main_~length3~0 < 1); 350#L531-1 assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 337#L538-3 assume !(main_~i~0 < main_~length1~0 - 1); 339#L538-4 main_~i~1 := 0; 343#L542-3 assume !(main_~i~1 < main_~length3~0 - 1); 351#L542-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length3~0 - 1), 1);cstrcat_#in~s.base, cstrcat_#in~s.offset, cstrcat_#in~append.base, cstrcat_#in~append.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset, cstrcat_#t~mem3, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, cstrcat_#t~post5.base, cstrcat_#t~post5.offset, cstrcat_#t~mem6, cstrcat_~s.base, cstrcat_~s.offset, cstrcat_~append.base, cstrcat_~append.offset, cstrcat_~save~0.base, cstrcat_~save~0.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#in~s.base, cstrcat_#in~s.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#in~append.base, cstrcat_#in~append.offset;cstrcat_~save~0.base, cstrcat_~save~0.offset := cstrcat_~s.base, cstrcat_~s.offset; 353#L517-4 call cstrcat_#t~mem3 := read~int(cstrcat_~s.base, cstrcat_~s.offset, 1); 344#L517-1 assume !(0 != cstrcat_#t~mem3);havoc cstrcat_#t~mem3; 345#L518-2 [2021-10-28 23:19:57,750 INFO L793 eck$LassoCheckResult]: Loop: 345#L518-2 cstrcat_#t~post4.base, cstrcat_#t~post4.offset := cstrcat_~s.base, cstrcat_~s.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#t~post4.base, 1 + cstrcat_#t~post4.offset;cstrcat_#t~post5.base, cstrcat_#t~post5.offset := cstrcat_~append.base, cstrcat_~append.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#t~post5.base, 1 + cstrcat_#t~post5.offset;call cstrcat_#t~mem6 := read~int(cstrcat_#t~post5.base, cstrcat_#t~post5.offset, 1);call write~int(cstrcat_#t~mem6, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, 1); 346#L518 assume !!(0 != cstrcat_#t~mem6);havoc cstrcat_#t~post4.base, cstrcat_#t~post4.offset;havoc cstrcat_#t~post5.base, cstrcat_#t~post5.offset;havoc cstrcat_#t~mem6; 345#L518-2 [2021-10-28 23:19:57,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:57,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1696290690, now seen corresponding path program 1 times [2021-10-28 23:19:57,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:57,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312571718] [2021-10-28 23:19:57,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:57,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:57,765 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:57,785 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:57,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:57,786 INFO L85 PathProgramCache]: Analyzing trace with hash 3238, now seen corresponding path program 1 times [2021-10-28 23:19:57,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:57,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611242500] [2021-10-28 23:19:57,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:57,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:57,804 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:57,810 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:57,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:57,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1952217113, now seen corresponding path program 1 times [2021-10-28 23:19:57,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:57,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231440865] [2021-10-28 23:19:57,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:57,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:19:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:19:57,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:19:57,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231440865] [2021-10-28 23:19:57,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231440865] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:19:57,993 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:19:57,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:19:57,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032447129] [2021-10-28 23:19:58,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 23:19:58,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:19:58,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:19:58,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:19:58,113 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. cyclomatic complexity: 12 Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:58,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:19:58,243 INFO L93 Difference]: Finished difference Result 36 states and 46 transitions. [2021-10-28 23:19:58,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:19:58,243 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 46 transitions. [2021-10-28 23:19:58,245 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 23:19:58,246 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 31 states and 40 transitions. [2021-10-28 23:19:58,246 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-28 23:19:58,246 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-28 23:19:58,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2021-10-28 23:19:58,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:19:58,247 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-10-28 23:19:58,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2021-10-28 23:19:58,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2021-10-28 23:19:58,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3) internal successors, (39), 29 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:19:58,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2021-10-28 23:19:58,250 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2021-10-28 23:19:58,251 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2021-10-28 23:19:58,251 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 23:19:58,251 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 39 transitions. [2021-10-28 23:19:58,252 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-10-28 23:19:58,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:19:58,252 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:19:58,253 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:19:58,253 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 23:19:58,253 INFO L791 eck$LassoCheckResult]: Stem: 418#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 419#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~nondet15, main_#t~post14, main_~i~1, main_#t~ret16.base, main_#t~ret16.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~length2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~length3~0 := main_#t~nondet9;havoc main_#t~nondet9; 411#L525 assume !(main_~length1~0 < 1); 412#L525-2 assume !(main_~length2~0 < 2); 427#L528-1 assume !(main_~length3~0 < 1); 428#L531-1 assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 413#L538-3 assume !(main_~i~0 < main_~length1~0 - 1); 415#L538-4 main_~i~1 := 0; 439#L542-3 assume !!(main_~i~1 < main_~length3~0 - 1);call write~int(main_#t~nondet15, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet15; 438#L542-2 main_#t~post14 := main_~i~1;main_~i~1 := 1 + main_#t~post14;havoc main_#t~post14; 437#L542-3 assume !(main_~i~1 < main_~length3~0 - 1); 436#L542-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length3~0 - 1), 1);cstrcat_#in~s.base, cstrcat_#in~s.offset, cstrcat_#in~append.base, cstrcat_#in~append.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset, cstrcat_#t~mem3, cstrcat_#t~post4.base, cstrcat_#t~post4.offset, cstrcat_#t~post5.base, cstrcat_#t~post5.offset, cstrcat_#t~mem6, cstrcat_~s.base, cstrcat_~s.offset, cstrcat_~append.base, cstrcat_~append.offset, cstrcat_~save~0.base, cstrcat_~save~0.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_#in~s.base, cstrcat_#in~s.offset;cstrcat_~append.base, cstrcat_~append.offset := cstrcat_#in~append.base, cstrcat_#in~append.offset;cstrcat_~save~0.base, cstrcat_~save~0.offset := cstrcat_~s.base, cstrcat_~s.offset; 435#L517-4 [2021-10-28 23:19:58,253 INFO L793 eck$LassoCheckResult]: Loop: 435#L517-4 call cstrcat_#t~mem3 := read~int(cstrcat_~s.base, cstrcat_~s.offset, 1); 421#L517-1 assume !!(0 != cstrcat_#t~mem3);havoc cstrcat_#t~mem3; 422#L517-3 cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;cstrcat_~s.base, cstrcat_~s.offset := cstrcat_~s.base, 1 + cstrcat_~s.offset;havoc cstrcat_#t~pre2.base, cstrcat_#t~pre2.offset; 435#L517-4 [2021-10-28 23:19:58,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:58,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1696346049, now seen corresponding path program 1 times [2021-10-28 23:19:58,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:58,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687168371] [2021-10-28 23:19:58,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:58,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:58,267 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:58,283 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:58,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:58,284 INFO L85 PathProgramCache]: Analyzing trace with hash 86554, now seen corresponding path program 2 times [2021-10-28 23:19:58,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:58,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55213555] [2021-10-28 23:19:58,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:58,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:58,288 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:58,292 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:58,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:19:58,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1259997786, now seen corresponding path program 1 times [2021-10-28 23:19:58,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:19:58,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866794215] [2021-10-28 23:19:58,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:19:58,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:19:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:58,306 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:19:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:19:58,324 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:19:59,299 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:19:59,299 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:19:59,299 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:19:59,300 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:19:59,300 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:19:59,300 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:19:59,300 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:19:59,300 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:19:59,300 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-2.i_Iteration5_Lasso [2021-10-28 23:19:59,300 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:19:59,300 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:19:59,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:19:59,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:20:00,295 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:20:00,295 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:20:00,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:00,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:00,296 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:00,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:00,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:00,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:00,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:00,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:00,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:20:00,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:20:00,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 23:20:00,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:00,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:00,375 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:00,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:00,379 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:00,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:00,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:00,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:00,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:00,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:00,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:00,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:00,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:00,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 23:20:00,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:00,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:00,450 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:00,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:00,451 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:00,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:00,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:00,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:00,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:00,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:00,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:00,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:00,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:00,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 23:20:00,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:00,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:00,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:00,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:00,519 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:00,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:00,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 23:20:00,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:00,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:00,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:00,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:00,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:00,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:00,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:00,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:00,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:00,557 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:00,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:00,558 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:00,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 23:20:00,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:00,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:00,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:00,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:00,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:00,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:00,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:00,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:00,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:00,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-28 23:20:00,587 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:00,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:00,588 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:00,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 23:20:00,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:00,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:00,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:00,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:00,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:00,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:00,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:00,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:00,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:00,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-28 23:20:00,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:00,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:00,634 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:00,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 23:20:00,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:00,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:00,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:00,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:00,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:00,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:00,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:00,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:00,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:00,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-28 23:20:00,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:00,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:00,665 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:00,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 23:20:00,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:00,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:00,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:00,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:00,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:00,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:20:00,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:20:00,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:00,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-28 23:20:00,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:00,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:00,699 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:00,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:00,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 23:20:00,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:00,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:00,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:00,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:00,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:00,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:00,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:00,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:00,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-28 23:20:00,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:00,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:00,730 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:00,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 23:20:00,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:00,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:00,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:00,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:00,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:00,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:00,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:00,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:00,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:00,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-28 23:20:00,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:00,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:00,763 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:00,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 23:20:00,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:00,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:00,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:00,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:00,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:00,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:00,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:00,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:00,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:00,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-28 23:20:00,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:00,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:00,802 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:00,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 23:20:00,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:00,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:00,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:00,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:00,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:00,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:00,814 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:00,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:00,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:00,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-28 23:20:00,834 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:00,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:00,835 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:00,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 23:20:00,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:00,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:00,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:00,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:00,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:00,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:00,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:00,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:00,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:00,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-28 23:20:00,865 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:00,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:00,865 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:00,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 23:20:00,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:00,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:00,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:00,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:00,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:00,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:00,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:00,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:00,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:00,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-28 23:20:00,922 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:00,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:00,923 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:00,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:00,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:00,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:20:00,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:00,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:00,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:00,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:20:00,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:20:00,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 23:20:00,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:00,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:00,955 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:00,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:00,956 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:00,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 23:20:00,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:20:00,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:00,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:00,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:00,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:00,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:20:00,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:20:00,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:20:00,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-28 23:20:00,988 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:00,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:00,989 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:00,990 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 [2021-10-28 23:20:00,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 23:20:00,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:20:00,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:20:00,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:20:00,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:20:01,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:20:01,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:20:01,042 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:20:01,091 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-28 23:20:01,091 INFO L444 ModelExtractionUtils]: 31 out of 58 variables were initially zero. Simplification set additionally 24 variables to zero. [2021-10-28 23:20:01,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:20:01,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:01,098 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:01,100 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:20:01,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 23:20:01,133 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:20:01,134 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:20:01,134 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcat_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_3) = -1*ULTIMATE.start_cstrcat_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11.base)_3 Supporting invariants [] [2021-10-28 23:20:01,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:01,212 INFO L297 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2021-10-28 23:20:01,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:01,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:20:01,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:20:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:01,339 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:20:01,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:20:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:01,381 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-28 23:20:01,382 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 39 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:01,418 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 39 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 52 transitions. Complement of second has 7 states. [2021-10-28 23:20:01,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:20:01,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:01,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2021-10-28 23:20:01,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 12 letters. Loop has 3 letters. [2021-10-28 23:20:01,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:20:01,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-28 23:20:01,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:20:01,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 12 letters. Loop has 6 letters. [2021-10-28 23:20:01,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:20:01,421 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 52 transitions. [2021-10-28 23:20:01,423 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:20:01,423 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2021-10-28 23:20:01,423 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:20:01,423 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:20:01,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:20:01,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:20:01,424 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:20:01,424 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:20:01,424 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:20:01,424 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 23:20:01,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:20:01,424 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:20:01,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:20:01,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:20:01 BoogieIcfgContainer [2021-10-28 23:20:01,430 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:20:01,431 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:20:01,431 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:20:01,431 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:20:01,432 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:19:52" (3/4) ... [2021-10-28 23:20:01,435 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:20:01,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:20:01,437 INFO L168 Benchmark]: Toolchain (without parser) took 10308.32 ms. Allocated memory was 83.9 MB in the beginning and 146.8 MB in the end (delta: 62.9 MB). Free memory was 51.8 MB in the beginning and 50.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 64.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:01,437 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 83.9 MB. Free memory was 55.3 MB in the beginning and 55.3 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:20:01,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 419.19 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 51.6 MB in the beginning and 71.1 MB in the end (delta: -19.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:01,438 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.87 ms. Allocated memory is still 100.7 MB. Free memory was 71.1 MB in the beginning and 69.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:01,439 INFO L168 Benchmark]: Boogie Preprocessor took 28.31 ms. Allocated memory is still 100.7 MB. Free memory was 69.0 MB in the beginning and 67.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:20:01,439 INFO L168 Benchmark]: RCFGBuilder took 380.34 ms. Allocated memory is still 100.7 MB. Free memory was 67.8 MB in the beginning and 56.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:01,440 INFO L168 Benchmark]: BuchiAutomizer took 9424.62 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 56.4 MB in the beginning and 51.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 52.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:01,440 INFO L168 Benchmark]: Witness Printer took 4.33 ms. Allocated memory is still 146.8 MB. Free memory was 51.0 MB in the beginning and 50.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:01,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 83.9 MB. Free memory was 55.3 MB in the beginning and 55.3 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 419.19 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 51.6 MB in the beginning and 71.1 MB in the end (delta: -19.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.87 ms. Allocated memory is still 100.7 MB. Free memory was 71.1 MB in the beginning and 69.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.31 ms. Allocated memory is still 100.7 MB. Free memory was 69.0 MB in the beginning and 67.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 380.34 ms. Allocated memory is still 100.7 MB. Free memory was 67.8 MB in the beginning and 56.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 9424.62 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 56.4 MB in the beginning and 51.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 52.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.33 ms. Allocated memory is still 146.8 MB. Free memory was 51.0 MB in the beginning and 50.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[nondetString2] + -1 * nondetString2 and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.3s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 8.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 30 states and ocurred in iteration 4. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 92 SDtfs, 148 SDslu, 159 SDs, 0 SdLazy, 117 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital168 mio100 ax111 hnf100 lsp83 ukn78 mio100 lsp60 div100 bol100 ite100 ukn100 eq169 hnf90 smp94 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:20:01,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-28 23:20:01,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_969c1415-6016-4270-9eb8-695264651a8d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...