./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c --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_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg --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 648a34748ee6f317001c61f0628c2e00b2100c77ff87e7d85b52ec2f91d6d096 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:54:51,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:54:51,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:54:51,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:54:51,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:54:51,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:54:51,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:54:51,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:54:51,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:54:51,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:54:51,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:54:51,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:54:51,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:54:51,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:54:51,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:54:51,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:54:51,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:54:51,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:54:51,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:54:51,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:54:51,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:54:51,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:54:51,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:54:51,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:54:51,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:54:51,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:54:51,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:54:51,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:54:51,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:54:51,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:54:51,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:54:51,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:54:51,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:54:51,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:54:51,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:54:51,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:54:51,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:54:51,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:54:51,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:54:51,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:54:51,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:54:51,616 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:54:51,659 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:54:51,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:54:51,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:54:51,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:54:51,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:54:51,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:54:51,662 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:54:51,662 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:54:51,662 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:54:51,663 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:54:51,663 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:54:51,663 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:54:51,663 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:54:51,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:54:51,664 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:54:51,664 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:54:51,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:54:51,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:54:51,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:54:51,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:54:51,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:54:51,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:54:51,666 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:54:51,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:54:51,666 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:54:51,666 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:54:51,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:54:51,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:54:51,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:54:51,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:54:51,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:54:51,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:54:51,669 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:54:51,670 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_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 648a34748ee6f317001c61f0628c2e00b2100c77ff87e7d85b52ec2f91d6d096 [2021-10-28 09:54:51,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:54:51,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:54:51,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:54:51,981 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:54:51,982 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:54:51,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2021-10-28 09:54:52,066 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/data/b9c3f63cd/1b2291dd402b4d5d8d3abdf79ad8ad6d/FLAGc85f2f1c9 [2021-10-28 09:54:52,791 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:54:52,792 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2021-10-28 09:54:52,812 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/data/b9c3f63cd/1b2291dd402b4d5d8d3abdf79ad8ad6d/FLAGc85f2f1c9 [2021-10-28 09:54:53,062 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/data/b9c3f63cd/1b2291dd402b4d5d8d3abdf79ad8ad6d [2021-10-28 09:54:53,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:54:53,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:54:53,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:54:53,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:54:53,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:54:53,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:54:53" (1/1) ... [2021-10-28 09:54:53,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b5818ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:53, skipping insertion in model container [2021-10-28 09:54:53,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:54:53" (1/1) ... [2021-10-28 09:54:53,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:54:53,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:54:53,500 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c[16824,16837] [2021-10-28 09:54:53,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:54:53,517 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:54:53,600 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c[16824,16837] [2021-10-28 09:54:53,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:54:53,620 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:54:53,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:53 WrapperNode [2021-10-28 09:54:53,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:54:53,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:54:53,622 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:54:53,622 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:54:53,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:53" (1/1) ... [2021-10-28 09:54:53,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:53" (1/1) ... [2021-10-28 09:54:53,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:54:53,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:54:53,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:54:53,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:54:53,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:53" (1/1) ... [2021-10-28 09:54:53,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:53" (1/1) ... [2021-10-28 09:54:53,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:53" (1/1) ... [2021-10-28 09:54:53,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:53" (1/1) ... [2021-10-28 09:54:53,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:53" (1/1) ... [2021-10-28 09:54:53,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:53" (1/1) ... [2021-10-28 09:54:53,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:53" (1/1) ... [2021-10-28 09:54:53,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:54:53,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:54:53,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:54:53,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:54:53,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:53" (1/1) ... [2021-10-28 09:54:53,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:54:53,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:54:53,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:54:53,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:54:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:54:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:54:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:54:53,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:54:54,875 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:54:54,876 INFO L299 CfgBuilder]: Removed 25 assume(true) statements. [2021-10-28 09:54:54,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:54:54 BoogieIcfgContainer [2021-10-28 09:54:54,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:54:54,886 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:54:54,886 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:54:54,890 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:54:54,891 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:54:54,891 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:54:53" (1/3) ... [2021-10-28 09:54:54,893 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13b5b8c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:54:54, skipping insertion in model container [2021-10-28 09:54:54,893 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:54:54,893 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:54:53" (2/3) ... [2021-10-28 09:54:54,894 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13b5b8c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:54:54, skipping insertion in model container [2021-10-28 09:54:54,894 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:54:54,894 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:54:54" (3/3) ... [2021-10-28 09:54:54,896 INFO L389 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2021-10-28 09:54:54,969 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:54:54,969 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:54:54,969 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:54:54,969 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:54:54,969 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:54:54,969 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:54:54,969 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:54:54,970 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:54:54,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 141 states, 140 states have (on average 1.7142857142857142) internal successors, (240), 140 states have internal predecessors, (240), 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 09:54:55,039 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-28 09:54:55,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:54:55,039 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:54:55,053 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:54:55,055 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:54:55,055 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:54:55,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 141 states, 140 states have (on average 1.7142857142857142) internal successors, (240), 140 states have internal predecessors, (240), 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 09:54:55,071 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-28 09:54:55,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:54:55,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:54:55,075 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:54:55,075 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:54:55,083 INFO L791 eck$LassoCheckResult]: Stem: 129#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 38#L-1true havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 122#L285true assume !(0 == ~r1~0);init_~tmp~0 := 0; 55#L285-1true init_#res := init_~tmp~0; 99#L450true main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 41#L22true assume 0 == assume_abort_if_not_~cond;assume false; 104#L21true ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 109#L526-2true [2021-10-28 09:54:55,084 INFO L793 eck$LassoCheckResult]: Loop: 109#L526-2true assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 126#L84true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 100#L88true assume !(node1_~m1~0 != ~nomsg~0); 124#L88-1true ~mode1~0 := 0; 24#L84-2true havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 29#L116true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 130#L119true assume !(node2_~m2~0 != ~nomsg~0); 28#L119-1true ~mode2~0 := 0; 121#L116-2true havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 106#L150true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 9#L153true assume !(node3_~m3~0 != ~nomsg~0); 89#L153-1true ~mode3~0 := 0; 93#L150-2true havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 86#L184true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 132#L187true assume !(node4_~m4~0 != ~nomsg~0); 108#L187-1true ~mode4~0 := 0; 80#L184-2true havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 39#L218true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 91#L221true assume !(node5_~m5~0 != ~nomsg~0); 56#L221-1true ~mode5~0 := 0; 14#L218-2true havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 52#L252true assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 19#L255true assume !(node6_~m6~0 != ~nomsg~0); 35#L255-1true ~mode6~0 := 0; 141#L252-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 112#L458true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 137#L458-1true check_#res := check_~tmp~1; 113#L470true main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 45#L559true assume !(0 == assert_~arg % 256); 143#L554true main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 109#L526-2true [2021-10-28 09:54:55,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:54:55,091 INFO L85 PathProgramCache]: Analyzing trace with hash 2035845626, now seen corresponding path program 1 times [2021-10-28 09:54:55,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:54:55,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13813531] [2021-10-28 09:54:55,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:54:55,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:54:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:54:55,314 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 09:54:55,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:54:55,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13813531] [2021-10-28 09:54:55,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13813531] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:54:55,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:54:55,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:54:55,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606489502] [2021-10-28 09:54:55,324 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:54:55,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:54:55,325 INFO L85 PathProgramCache]: Analyzing trace with hash 959479027, now seen corresponding path program 1 times [2021-10-28 09:54:55,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:54:55,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668056783] [2021-10-28 09:54:55,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:54:55,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:54:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:54:55,505 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 09:54:55,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:54:55,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668056783] [2021-10-28 09:54:55,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668056783] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:54:55,507 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:54:55,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:54:55,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742596836] [2021-10-28 09:54:55,513 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:54:55,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:54:55,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:54:55,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:54:55,535 INFO L87 Difference]: Start difference. First operand has 141 states, 140 states have (on average 1.7142857142857142) internal successors, (240), 140 states have internal predecessors, (240), 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 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:54:55,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:54:55,552 INFO L93 Difference]: Finished difference Result 141 states and 237 transitions. [2021-10-28 09:54:55,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:54:55,554 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 141 states and 237 transitions. [2021-10-28 09:54:55,562 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-28 09:54:55,567 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 141 states to 136 states and 232 transitions. [2021-10-28 09:54:55,569 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2021-10-28 09:54:55,570 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2021-10-28 09:54:55,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 232 transitions. [2021-10-28 09:54:55,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:54:55,575 INFO L681 BuchiCegarLoop]: Abstraction has 136 states and 232 transitions. [2021-10-28 09:54:55,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 232 transitions. [2021-10-28 09:54:55,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2021-10-28 09:54:55,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 136 states have (on average 1.7058823529411764) internal successors, (232), 135 states have internal predecessors, (232), 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 09:54:55,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 232 transitions. [2021-10-28 09:54:55,616 INFO L704 BuchiCegarLoop]: Abstraction has 136 states and 232 transitions. [2021-10-28 09:54:55,616 INFO L587 BuchiCegarLoop]: Abstraction has 136 states and 232 transitions. [2021-10-28 09:54:55,616 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:54:55,617 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 232 transitions. [2021-10-28 09:54:55,619 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-28 09:54:55,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:54:55,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:54:55,621 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:54:55,621 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:54:55,622 INFO L791 eck$LassoCheckResult]: Stem: 427#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 355#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 356#L285 assume !(0 == ~r1~0);init_~tmp~0 := 0; 294#L285-1 init_#res := init_~tmp~0; 378#L450 main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 360#L22 assume !(0 == assume_abort_if_not_~cond); 361#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 418#L526-2 [2021-10-28 09:54:55,622 INFO L793 eck$LassoCheckResult]: Loop: 418#L526-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 422#L84 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 416#L88 assume !(node1_~m1~0 != ~nomsg~0); 353#L88-1 ~mode1~0 := 0; 337#L84-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 338#L116 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 347#L119 assume !(node2_~m2~0 != ~nomsg~0); 340#L119-1 ~mode2~0 := 0; 345#L116-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 420#L150 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 305#L153 assume !(node3_~m3~0 != ~nomsg~0); 307#L153-1 ~mode3~0 := 0; 373#L150-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 409#L184 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 410#L187 assume !(node4_~m4~0 != ~nomsg~0); 323#L187-1 ~mode4~0 := 0; 404#L184-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 357#L218 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 359#L221 assume !(node5_~m5~0 != ~nomsg~0); 312#L221-1 ~mode5~0 := 0; 315#L218-2 havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 316#L252 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 325#L255 assume !(node6_~m6~0 != ~nomsg~0); 327#L255-1 ~mode6~0 := 0; 329#L252-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 423#L458 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 303#L458-1 check_#res := check_~tmp~1; 424#L470 main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 366#L559 assume !(0 == assert_~arg % 256); 367#L554 main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 418#L526-2 [2021-10-28 09:54:55,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:54:55,623 INFO L85 PathProgramCache]: Analyzing trace with hash 2035845688, now seen corresponding path program 1 times [2021-10-28 09:54:55,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:54:55,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628403758] [2021-10-28 09:54:55,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:54:55,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:54:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:54:55,716 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 09:54:55,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:54:55,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628403758] [2021-10-28 09:54:55,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628403758] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:54:55,717 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:54:55,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:54:55,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649806604] [2021-10-28 09:54:55,718 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:54:55,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:54:55,719 INFO L85 PathProgramCache]: Analyzing trace with hash 959479027, now seen corresponding path program 2 times [2021-10-28 09:54:55,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:54:55,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539036844] [2021-10-28 09:54:55,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:54:55,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:54:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:54:55,880 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 09:54:55,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:54:55,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539036844] [2021-10-28 09:54:55,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539036844] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:54:55,883 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:54:55,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:54:55,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784565375] [2021-10-28 09:54:55,885 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:54:55,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:54:55,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:54:55,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:54:55,889 INFO L87 Difference]: Start difference. First operand 136 states and 232 transitions. cyclomatic complexity: 97 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:54:56,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:54:56,024 INFO L93 Difference]: Finished difference Result 139 states and 234 transitions. [2021-10-28 09:54:56,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:54:56,025 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 234 transitions. [2021-10-28 09:54:56,028 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-28 09:54:56,031 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 136 states and 191 transitions. [2021-10-28 09:54:56,031 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2021-10-28 09:54:56,032 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2021-10-28 09:54:56,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 191 transitions. [2021-10-28 09:54:56,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:54:56,034 INFO L681 BuchiCegarLoop]: Abstraction has 136 states and 191 transitions. [2021-10-28 09:54:56,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 191 transitions. [2021-10-28 09:54:56,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2021-10-28 09:54:56,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 136 states have (on average 1.4044117647058822) internal successors, (191), 135 states have internal predecessors, (191), 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 09:54:56,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 191 transitions. [2021-10-28 09:54:56,045 INFO L704 BuchiCegarLoop]: Abstraction has 136 states and 191 transitions. [2021-10-28 09:54:56,045 INFO L587 BuchiCegarLoop]: Abstraction has 136 states and 191 transitions. [2021-10-28 09:54:56,045 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:54:56,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 191 transitions. [2021-10-28 09:54:56,047 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-28 09:54:56,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:54:56,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:54:56,050 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:54:56,050 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:54:56,051 INFO L791 eck$LassoCheckResult]: Stem: 717#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 644#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 645#L285 assume 0 == ~r1~0; 702#L286 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 679#L287 assume ~id1~0 >= 0; 632#L288 assume 0 == ~st1~0; 633#L289 assume ~send1~0 == ~id1~0; 640#L290 assume 0 == ~mode1~0 % 256; 693#L291 assume ~id2~0 >= 0; 694#L292 assume 0 == ~st2~0; 705#L293 assume ~send2~0 == ~id2~0; 716#L294 assume 0 == ~mode2~0 % 256; 589#L295 assume ~id3~0 >= 0; 590#L296 assume 0 == ~st3~0; 639#L297 assume ~send3~0 == ~id3~0; 637#L298 assume 0 == ~mode3~0 % 256; 638#L299 assume ~id4~0 >= 0; 643#L300 assume 0 == ~st4~0; 684#L301 assume ~send4~0 == ~id4~0; 697#L302 assume 0 == ~mode4~0 % 256; 698#L303 assume ~id5~0 >= 0; 711#L304 assume 0 == ~st5~0; 673#L305 assume ~send5~0 == ~id5~0; 674#L306 assume 0 == ~mode5~0 % 256; 691#L307 assume ~id6~0 >= 0; 602#L308 assume 0 == ~st6~0; 603#L309 assume ~send6~0 == ~id6~0; 688#L310 assume 0 == ~mode6~0 % 256; 663#L311 assume ~id1~0 != ~id2~0; 664#L312 assume ~id1~0 != ~id3~0; 621#L313 assume ~id1~0 != ~id4~0; 622#L314 assume ~id1~0 != ~id5~0; 655#L315 assume ~id1~0 != ~id6~0; 656#L316 assume ~id2~0 != ~id3~0; 585#L317 assume ~id2~0 != ~id4~0; 586#L318 assume ~id2~0 != ~id5~0; 718#L319 assume ~id2~0 != ~id6~0; 696#L320 assume ~id3~0 != ~id4~0; 680#L321 assume ~id3~0 != ~id5~0; 681#L322 assume ~id3~0 != ~id6~0; 583#L323 assume ~id4~0 != ~id5~0; 584#L324 assume ~id4~0 != ~id6~0; 607#L325 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 667#L285-1 init_#res := init_~tmp~0; 668#L450 main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 649#L22 assume !(0 == assume_abort_if_not_~cond); 650#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 708#L526-2 [2021-10-28 09:54:56,052 INFO L793 eck$LassoCheckResult]: Loop: 708#L526-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 712#L84 assume !(0 != ~mode1~0 % 256); 658#L102 assume !(0 != ~alive1~0 % 256); 657#L102-2 ~mode1~0 := 1; 629#L84-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 630#L116 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 636#L119 assume !(node2_~m2~0 != ~nomsg~0); 627#L119-1 ~mode2~0 := 0; 634#L116-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 710#L150 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 594#L153 assume !(node3_~m3~0 != ~nomsg~0); 596#L153-1 ~mode3~0 := 0; 662#L150-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 699#L184 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 700#L187 assume !(node4_~m4~0 != ~nomsg~0); 612#L187-1 ~mode4~0 := 0; 692#L184-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 646#L218 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 648#L221 assume !(node5_~m5~0 != ~nomsg~0); 601#L221-1 ~mode5~0 := 0; 604#L218-2 havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 605#L252 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 614#L255 assume !(node6_~m6~0 != ~nomsg~0); 616#L255-1 ~mode6~0 := 0; 618#L252-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 713#L458 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 592#L458-1 check_#res := check_~tmp~1; 714#L470 main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 653#L559 assume !(0 == assert_~arg % 256); 654#L554 main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 708#L526-2 [2021-10-28 09:54:56,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:54:56,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 1 times [2021-10-28 09:54:56,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:54:56,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010983513] [2021-10-28 09:54:56,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:54:56,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:54:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:54:56,174 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:54:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:54:56,318 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:54:56,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:54:56,319 INFO L85 PathProgramCache]: Analyzing trace with hash 225391629, now seen corresponding path program 1 times [2021-10-28 09:54:56,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:54:56,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550178659] [2021-10-28 09:54:56,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:54:56,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:54:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:54:56,425 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 09:54:56,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:54:56,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550178659] [2021-10-28 09:54:56,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550178659] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:54:56,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:54:56,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:54:56,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865402351] [2021-10-28 09:54:56,428 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:54:56,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:54:56,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:54:56,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:54:56,429 INFO L87 Difference]: Start difference. First operand 136 states and 191 transitions. cyclomatic complexity: 56 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 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 09:54:56,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:54:56,505 INFO L93 Difference]: Finished difference Result 139 states and 193 transitions. [2021-10-28 09:54:56,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:54:56,506 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 193 transitions. [2021-10-28 09:54:56,510 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-28 09:54:56,516 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 136 states and 189 transitions. [2021-10-28 09:54:56,516 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2021-10-28 09:54:56,518 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2021-10-28 09:54:56,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 189 transitions. [2021-10-28 09:54:56,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:54:56,527 INFO L681 BuchiCegarLoop]: Abstraction has 136 states and 189 transitions. [2021-10-28 09:54:56,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 189 transitions. [2021-10-28 09:54:56,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2021-10-28 09:54:56,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 136 states have (on average 1.3897058823529411) internal successors, (189), 135 states have internal predecessors, (189), 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 09:54:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 189 transitions. [2021-10-28 09:54:56,538 INFO L704 BuchiCegarLoop]: Abstraction has 136 states and 189 transitions. [2021-10-28 09:54:56,538 INFO L587 BuchiCegarLoop]: Abstraction has 136 states and 189 transitions. [2021-10-28 09:54:56,538 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:54:56,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 189 transitions. [2021-10-28 09:54:56,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2021-10-28 09:54:56,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:54:56,540 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:54:56,555 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:54:56,555 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:54:56,556 INFO L791 eck$LassoCheckResult]: Stem: 1004#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 931#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 932#L285 assume 0 == ~r1~0; 989#L286 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 966#L287 assume ~id1~0 >= 0; 919#L288 assume 0 == ~st1~0; 920#L289 assume ~send1~0 == ~id1~0; 927#L290 assume 0 == ~mode1~0 % 256; 980#L291 assume ~id2~0 >= 0; 981#L292 assume 0 == ~st2~0; 992#L293 assume ~send2~0 == ~id2~0; 1003#L294 assume 0 == ~mode2~0 % 256; 876#L295 assume ~id3~0 >= 0; 877#L296 assume 0 == ~st3~0; 926#L297 assume ~send3~0 == ~id3~0; 924#L298 assume 0 == ~mode3~0 % 256; 925#L299 assume ~id4~0 >= 0; 930#L300 assume 0 == ~st4~0; 971#L301 assume ~send4~0 == ~id4~0; 984#L302 assume 0 == ~mode4~0 % 256; 985#L303 assume ~id5~0 >= 0; 998#L304 assume 0 == ~st5~0; 960#L305 assume ~send5~0 == ~id5~0; 961#L306 assume 0 == ~mode5~0 % 256; 978#L307 assume ~id6~0 >= 0; 889#L308 assume 0 == ~st6~0; 890#L309 assume ~send6~0 == ~id6~0; 975#L310 assume 0 == ~mode6~0 % 256; 950#L311 assume ~id1~0 != ~id2~0; 951#L312 assume ~id1~0 != ~id3~0; 908#L313 assume ~id1~0 != ~id4~0; 909#L314 assume ~id1~0 != ~id5~0; 943#L315 assume ~id1~0 != ~id6~0; 944#L316 assume ~id2~0 != ~id3~0; 872#L317 assume ~id2~0 != ~id4~0; 873#L318 assume ~id2~0 != ~id5~0; 1005#L319 assume ~id2~0 != ~id6~0; 983#L320 assume ~id3~0 != ~id4~0; 967#L321 assume ~id3~0 != ~id5~0; 968#L322 assume ~id3~0 != ~id6~0; 870#L323 assume ~id4~0 != ~id5~0; 871#L324 assume ~id4~0 != ~id6~0; 894#L325 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 954#L285-1 init_#res := init_~tmp~0; 955#L450 main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 936#L22 assume !(0 == assume_abort_if_not_~cond); 937#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 995#L526-2 [2021-10-28 09:54:56,556 INFO L793 eck$LassoCheckResult]: Loop: 995#L526-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 999#L84 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 993#L88 assume !(node1_~m1~0 != ~nomsg~0); 929#L88-1 ~mode1~0 := 0; 913#L84-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 914#L116 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 923#L119 assume !(node2_~m2~0 != ~nomsg~0); 916#L119-1 ~mode2~0 := 0; 921#L116-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 997#L150 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 881#L153 assume !(node3_~m3~0 != ~nomsg~0); 883#L153-1 ~mode3~0 := 0; 949#L150-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 986#L184 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 987#L187 assume !(node4_~m4~0 != ~nomsg~0); 899#L187-1 ~mode4~0 := 0; 979#L184-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 933#L218 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 935#L221 assume !(node5_~m5~0 != ~nomsg~0); 888#L221-1 ~mode5~0 := 0; 891#L218-2 havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 892#L252 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 901#L255 assume !(node6_~m6~0 != ~nomsg~0); 903#L255-1 ~mode6~0 := 0; 905#L252-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1000#L458 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 878#L459 assume ~r1~0 < 6;check_~tmp~1 := 1; 879#L458-1 check_#res := check_~tmp~1; 1001#L470 main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 941#L559 assume !(0 == assert_~arg % 256); 942#L554 main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 995#L526-2 [2021-10-28 09:54:56,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:54:56,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 2 times [2021-10-28 09:54:56,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:54:56,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012261035] [2021-10-28 09:54:56,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:54:56,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:54:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:54:56,612 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:54:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:54:56,690 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:54:56,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:54:56,691 INFO L85 PathProgramCache]: Analyzing trace with hash -704248189, now seen corresponding path program 1 times [2021-10-28 09:54:56,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:54:56,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61161491] [2021-10-28 09:54:56,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:54:56,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:54:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:54:56,725 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:54:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:54:56,766 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:54:56,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:54:56,767 INFO L85 PathProgramCache]: Analyzing trace with hash 170782690, now seen corresponding path program 1 times [2021-10-28 09:54:56,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:54:56,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347412400] [2021-10-28 09:54:56,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:54:56,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:54:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:54:56,844 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 09:54:56,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:54:56,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347412400] [2021-10-28 09:54:56,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347412400] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:54:56,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:54:56,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:54:56,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502505374] [2021-10-28 09:54:58,591 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:54:58,592 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:54:58,592 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:54:58,592 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:54:58,593 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:54:58,593 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:54:58,593 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:54:58,593 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:54:58,593 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2021-10-28 09:54:58,593 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:54:58,594 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:54:58,633 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 09:54:58,644 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 09:54:58,646 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 09:54:58,649 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 09:54:58,652 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 09:54:58,654 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 09:54:58,658 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 09:54:58,664 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 09:54:58,717 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 09:54:58,736 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 09:54:58,745 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 09:54:58,747 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 09:54:58,750 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 09:54:58,754 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 09:54:58,757 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 09:54:58,766 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 09:54:58,768 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 09:54:58,774 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 09:54:58,787 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 09:54:58,794 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 09:54:58,800 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 09:54:58,802 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 09:54:58,804 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 09:54:58,807 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 09:54:58,813 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 09:54:59,634 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:54:59,635 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:54:59,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:54:59,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:54:59,640 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:54:59,650 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:54:59,651 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:54:59,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:54:59,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:54:59,742 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:54:59,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:54:59,743 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:54:59,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:54:59,745 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:54:59,746 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:54:59,916 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:54:59,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:54:59,919 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:54:59,919 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:54:59,920 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:54:59,920 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:54:59,920 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:54:59,920 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:54:59,920 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:54:59,920 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:54:59,920 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2021-10-28 09:54:59,920 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:54:59,920 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:54:59,925 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 09:54:59,944 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 09:54:59,946 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 09:54:59,948 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 09:54:59,950 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 09:54:59,952 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 09:54:59,954 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 09:54:59,960 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 09:54:59,977 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 09:54:59,983 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 09:54:59,985 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 09:54:59,987 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 09:55:00,001 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 09:55:00,003 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 09:55:00,008 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 09:55:00,010 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 09:55:00,016 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 09:55:00,028 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 09:55:00,035 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 09:55:00,116 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 09:55:00,120 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 09:55:00,122 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 09:55:00,124 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 09:55:00,128 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 09:55:00,130 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 09:55:00,918 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:55:00,923 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:55:00,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:55:00,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:00,929 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:00,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:55:00,931 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 09:55:00,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:55:00,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:55:00,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:55:00,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:55:00,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:55:00,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:55:00,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:55:00,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:55:00,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:00,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:55:00,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:00,974 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:00,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:55:00,979 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 09:55:00,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:55:00,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:55:00,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:55:00,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:55:00,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:55:00,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:55:00,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:55:01,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:55:01,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:01,029 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:55:01,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:01,030 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:01,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:55:01,037 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 09:55:01,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:55:01,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:55:01,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:55:01,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:55:01,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:55:01,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:55:01,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:55:01,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:55:01,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:01,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:55:01,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:01,079 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:01,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:55:01,082 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 09:55:01,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:55:01,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:55:01,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:55:01,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:55:01,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:55:01,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:55:01,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:55:01,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:55:01,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-28 09:55:01,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:55:01,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:01,124 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:01,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:55:01,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:55:01,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:55:01,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:55:01,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:55:01,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:55:01,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:55:01,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:55:01,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:55:01,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:55:01,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:01,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:55:01,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:01,182 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:01,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:55:01,186 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 09:55:01,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:55:01,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:55:01,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:55:01,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:55:01,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:55:01,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:55:01,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:55:01,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:55:01,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-28 09:55:01,223 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:55:01,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:01,224 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:01,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:55:01,225 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 09:55:01,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:55:01,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:55:01,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:55:01,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:55:01,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:55:01,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:55:01,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:55:01,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:55:01,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:01,270 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:55:01,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:01,271 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:01,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:55:01,273 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 09:55:01,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:55:01,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:55:01,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:55:01,281 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:55:01,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:55:01,284 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:55:01,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:55:01,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:55:01,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:01,325 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:55:01,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:01,326 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:01,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:55:01,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:55:01,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:55:01,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:55:01,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:55:01,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:55:01,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:55:01,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:55:01,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:55:01,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:55:01,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:01,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:55:01,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:01,413 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:01,422 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 09:55:01,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:55:01,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:55:01,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:55:01,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:55:01,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:55:01,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:55:01,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:55:01,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:55:01,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:55:01,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:01,479 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:55:01,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:01,480 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:01,486 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 09:55:01,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:55:01,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:55:01,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:55:01,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:55:01,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:55:01,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:55:01,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:55:01,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:55:01,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:55:01,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:01,538 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:55:01,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:01,539 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:01,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:55:01,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:55:01,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:55:01,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:55:01,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:55:01,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:55:01,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:55:01,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:55:01,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:55:01,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:55:01,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:01,576 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:55:01,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:01,577 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:01,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:55:01,584 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 09:55:01,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:55:01,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:55:01,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:55:01,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:55:01,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:55:01,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:55:01,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:55:01,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:55:01,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-10-28 09:55:01,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:55:01,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:01,621 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:01,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:55:01,623 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 09:55:01,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:55:01,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:55:01,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:55:01,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:55:01,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:55:01,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:55:01,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:55:01,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:55:01,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:01,658 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:55:01,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:01,659 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:01,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:55:01,660 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 09:55:01,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:55:01,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:55:01,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:55:01,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:55:01,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:55:01,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:55:01,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:55:01,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:55:01,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:01,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:55:01,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:01,733 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:01,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:55:01,739 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 09:55:01,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:55:01,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:55:01,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:55:01,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:55:01,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:55:01,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:55:01,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:55:01,763 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:55:01,786 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:55:01,786 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:55:01,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:55:01,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:01,805 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:01,816 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:55:01,816 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:55:01,816 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:55:01,816 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 23 Supporting invariants [] [2021-10-28 09:55:01,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:55:01,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:01,861 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:55:01,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:01,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:02,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:55:02,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:55:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:02,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:55:02,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:55:02,494 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 09:55:02,499 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 09:55:02,500 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 136 states and 189 transitions. cyclomatic complexity: 54 Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 09:55:02,561 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 136 states and 189 transitions. cyclomatic complexity: 54. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 225 states and 332 transitions. Complement of second has 4 states. [2021-10-28 09:55:02,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:55:02,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 09:55:02,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 189 transitions. [2021-10-28 09:55:02,565 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 189 transitions. Stem has 47 letters. Loop has 31 letters. [2021-10-28 09:55:02,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:55:02,568 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 189 transitions. Stem has 78 letters. Loop has 31 letters. [2021-10-28 09:55:02,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:55:02,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 189 transitions. Stem has 47 letters. Loop has 62 letters. [2021-10-28 09:55:02,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:55:02,572 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 225 states and 332 transitions. [2021-10-28 09:55:02,576 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:55:02,576 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 225 states to 0 states and 0 transitions. [2021-10-28 09:55:02,576 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:55:02,576 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:55:02,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:55:02,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:55:02,577 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:55:02,577 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:55:02,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:55:02,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:55:02,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:55:02,578 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 09:55:02,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:02,579 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-28 09:55:02,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:55:02,579 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-28 09:55:02,579 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:55:02,580 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:55:02,580 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:55:02,580 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:55:02,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:55:02,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:55:02,580 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:55:02,580 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:55:02,581 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:55:02,581 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 09:55:02,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:55:02,581 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:55:02,581 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:55:02,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:55:02 BoogieIcfgContainer [2021-10-28 09:55:02,588 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:55:02,589 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:55:02,589 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:55:02,590 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:55:02,590 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:54:54" (3/4) ... [2021-10-28 09:55:02,594 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:55:02,594 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:55:02,596 INFO L168 Benchmark]: Toolchain (without parser) took 9528.84 ms. Allocated memory was 132.1 MB in the beginning and 172.0 MB in the end (delta: 39.8 MB). Free memory was 98.2 MB in the beginning and 96.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:02,596 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory is still 48.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:55:02,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.40 ms. Allocated memory is still 132.1 MB. Free memory was 97.8 MB in the beginning and 102.0 MB in the end (delta: -4.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:02,598 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.20 ms. Allocated memory is still 132.1 MB. Free memory was 102.0 MB in the beginning and 99.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:02,598 INFO L168 Benchmark]: Boogie Preprocessor took 79.65 ms. Allocated memory is still 132.1 MB. Free memory was 99.0 MB in the beginning and 96.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:02,599 INFO L168 Benchmark]: RCFGBuilder took 1096.15 ms. Allocated memory is still 132.1 MB. Free memory was 96.9 MB in the beginning and 72.2 MB in the end (delta: 24.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:02,600 INFO L168 Benchmark]: BuchiAutomizer took 7702.44 ms. Allocated memory was 132.1 MB in the beginning and 172.0 MB in the end (delta: 39.8 MB). Free memory was 71.8 MB in the beginning and 96.8 MB in the end (delta: -25.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:55:02,600 INFO L168 Benchmark]: Witness Printer took 4.96 ms. Allocated memory is still 172.0 MB. Free memory is still 96.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:55:02,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 94.4 MB. Free memory is still 48.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 550.40 ms. Allocated memory is still 132.1 MB. Free memory was 97.8 MB in the beginning and 102.0 MB in the end (delta: -4.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.20 ms. Allocated memory is still 132.1 MB. Free memory was 102.0 MB in the beginning and 99.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.65 ms. Allocated memory is still 132.1 MB. Free memory was 99.0 MB in the beginning and 96.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1096.15 ms. Allocated memory is still 132.1 MB. Free memory was 96.9 MB in the beginning and 72.2 MB in the end (delta: 24.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 7702.44 ms. Allocated memory was 132.1 MB in the beginning and 172.0 MB in the end (delta: 39.8 MB). Free memory was 71.8 MB in the beginning and 96.8 MB in the end (delta: -25.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.96 ms. Allocated memory is still 172.0 MB. Free memory is still 96.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 23 + -2 * i2 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.6s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 6.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 136 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 843 SDtfs, 333 SDslu, 1347 SDs, 0 SdLazy, 26 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital188 mio100 ax100 hnf100 lsp39 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:55:02,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb83cd80-8715-4e2a-b396-49cad5bd177f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...