./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 75c86508b929748d0860a2261aae2f86897f25a70c1055933792f6abb004bc7e ................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:39:57,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:39:57,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:39:57,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:39:57,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:39:57,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:39:57,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:39:57,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:39:57,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:39:57,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:39:57,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:39:57,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:39:57,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:39:57,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:39:57,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:39:57,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:39:57,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:39:57,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:39:57,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:39:57,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:39:57,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:39:57,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:39:57,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:39:57,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:39:57,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:39:57,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:39:57,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:39:57,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:39:57,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:39:57,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:39:57,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:39:57,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:39:57,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:39:57,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:39:57,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:39:57,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:39:57,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:39:57,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:39:57,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:39:57,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:39:57,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:39:57,425 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:39:57,466 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:39:57,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:39:57,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:39:57,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:39:57,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:39:57,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:39:57,469 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:39:57,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:39:57,470 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:39:57,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:39:57,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:39:57,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:39:57,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:39:57,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:39:57,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:39:57,472 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:39:57,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:39:57,472 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:39:57,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:39:57,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:39:57,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:39:57,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:39:57,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:39:57,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:39:57,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:39:57,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:39:57,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:39:57,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:39:57,475 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:39:57,476 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:39:57,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:39:57,476 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:39:57,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75c86508b929748d0860a2261aae2f86897f25a70c1055933792f6abb004bc7e [2021-10-28 23:39:57,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:39:57,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:39:57,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:39:57,816 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:39:57,816 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:39:57,817 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c [2021-10-28 23:39:57,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/bin/uautomizer-GMMbpWq8iD/data/8b76e97fe/cec40e9c0843427b990c197b23acc370/FLAG88908bbde [2021-10-28 23:39:58,372 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:39:58,372 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c [2021-10-28 23:39:58,380 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/bin/uautomizer-GMMbpWq8iD/data/8b76e97fe/cec40e9c0843427b990c197b23acc370/FLAG88908bbde [2021-10-28 23:39:58,715 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/bin/uautomizer-GMMbpWq8iD/data/8b76e97fe/cec40e9c0843427b990c197b23acc370 [2021-10-28 23:39:58,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:39:58,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:39:58,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:39:58,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:39:58,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:39:58,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:39:58" (1/1) ... [2021-10-28 23:39:58,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a27cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:58, skipping insertion in model container [2021-10-28 23:39:58,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:39:58" (1/1) ... [2021-10-28 23:39:58,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:39:58,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:39:58,968 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_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c[3134,3147] [2021-10-28 23:39:58,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:39:58,981 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:39:59,005 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_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c[3134,3147] [2021-10-28 23:39:59,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:39:59,020 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:39:59,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:59 WrapperNode [2021-10-28 23:39:59,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:39:59,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:39:59,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:39:59,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:39:59,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:59" (1/1) ... [2021-10-28 23:39:59,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:59" (1/1) ... [2021-10-28 23:39:59,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:39:59,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:39:59,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:39:59,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:39:59,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:59" (1/1) ... [2021-10-28 23:39:59,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:59" (1/1) ... [2021-10-28 23:39:59,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:59" (1/1) ... [2021-10-28 23:39:59,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:59" (1/1) ... [2021-10-28 23:39:59,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:59" (1/1) ... [2021-10-28 23:39:59,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:59" (1/1) ... [2021-10-28 23:39:59,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:59" (1/1) ... [2021-10-28 23:39:59,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:39:59,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:39:59,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:39:59,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:39:59,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:59" (1/1) ... [2021-10-28 23:39:59,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:39:59,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:39:59,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:39:59,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:39:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-28 23:39:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-28 23:39:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-28 23:39:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-28 23:39:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:39:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:39:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:39:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-28 23:39:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-28 23:39:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:39:59,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:39:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:39:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:39:59,235 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-28 23:39:59,766 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:39:59,766 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-10-28 23:39:59,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:39:59 BoogieIcfgContainer [2021-10-28 23:39:59,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:39:59,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:39:59,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:39:59,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:39:59,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:39:58" (1/3) ... [2021-10-28 23:39:59,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fe71ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:39:59, skipping insertion in model container [2021-10-28 23:39:59,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:59" (2/3) ... [2021-10-28 23:39:59,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fe71ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:39:59, skipping insertion in model container [2021-10-28 23:39:59,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:39:59" (3/3) ... [2021-10-28 23:39:59,782 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2021-10-28 23:39:59,790 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-28 23:39:59,790 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:39:59,790 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:39:59,791 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-28 23:39:59,860 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,861 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,861 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,861 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,862 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,862 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,862 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,863 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,863 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,863 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,864 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,864 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,864 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,864 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,865 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,865 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,866 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,866 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,866 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,866 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,867 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,867 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,867 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,868 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,868 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,868 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,868 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,869 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,869 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,869 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,870 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,870 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,873 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,875 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,880 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,880 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,881 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,883 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,883 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,884 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~cond~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,884 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,884 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,884 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,884 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:39:59,896 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-28 23:39:59,953 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:39:59,960 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:39:59,961 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 23:39:59,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 121 transitions, 258 flow [2021-10-28 23:40:00,079 INFO L129 PetriNetUnfolder]: 9/119 cut-off events. [2021-10-28 23:40:00,079 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-28 23:40:00,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 119 events. 9/119 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2021-10-28 23:40:00,090 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 121 transitions, 258 flow [2021-10-28 23:40:00,097 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 109 places, 111 transitions, 234 flow [2021-10-28 23:40:00,147 INFO L129 PetriNetUnfolder]: 9/110 cut-off events. [2021-10-28 23:40:00,147 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-28 23:40:00,147 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:40:00,148 INFO L254 CegarLoopForPetriNet]: trace 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, 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 23:40:00,149 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-28 23:40:00,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:40:00,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1170948255, now seen corresponding path program 1 times [2021-10-28 23:40:00,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:40:00,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756453401] [2021-10-28 23:40:00,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:40:00,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:40:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:40:00,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:40:00,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:40:00,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756453401] [2021-10-28 23:40:00,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756453401] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:40:00,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:40:00,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:40:00,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456715261] [2021-10-28 23:40:00,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:40:00,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:40:00,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:40:00,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:40:00,718 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 121 [2021-10-28 23:40:00,726 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 111 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 77.66666666666667) internal successors, (466), 6 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:40:00,726 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:40:00,726 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 121 [2021-10-28 23:40:00,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:40:00,966 INFO L129 PetriNetUnfolder]: 4/132 cut-off events. [2021-10-28 23:40:00,966 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-28 23:40:00,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 132 events. 4/132 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 156 event pairs, 0 based on Foata normal form. 8/128 useless extension candidates. Maximal degree in co-relation 115. Up to 30 conditions per place. [2021-10-28 23:40:00,969 INFO L132 encePairwiseOnDemand]: 102/121 looper letters, 33 selfloop transitions, 1 changer transitions 12/109 dead transitions. [2021-10-28 23:40:00,970 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 109 transitions, 322 flow [2021-10-28 23:40:00,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:40:00,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-10-28 23:40:00,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 631 transitions. [2021-10-28 23:40:01,004 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6518595041322314 [2021-10-28 23:40:01,005 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 631 transitions. [2021-10-28 23:40:01,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 631 transitions. [2021-10-28 23:40:01,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:40:01,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 631 transitions. [2021-10-28 23:40:01,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 78.875) internal successors, (631), 8 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:40:01,032 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 121.0) internal successors, (1089), 9 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:40:01,040 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 121.0) internal successors, (1089), 9 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:40:01,043 INFO L186 Difference]: Start difference. First operand has 109 places, 111 transitions, 234 flow. Second operand 8 states and 631 transitions. [2021-10-28 23:40:01,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 109 transitions, 322 flow [2021-10-28 23:40:01,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 109 transitions, 314 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-28 23:40:01,054 INFO L242 Difference]: Finished difference. Result has 116 places, 97 transitions, 209 flow [2021-10-28 23:40:01,057 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=209, PETRI_PLACES=116, PETRI_TRANSITIONS=97} [2021-10-28 23:40:01,058 INFO L334 CegarLoopForPetriNet]: 109 programPoint places, 7 predicate places. [2021-10-28 23:40:01,062 INFO L470 AbstractCegarLoop]: Abstraction has has 116 places, 97 transitions, 209 flow [2021-10-28 23:40:01,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.66666666666667) internal successors, (466), 6 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:40:01,063 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:40:01,063 INFO L254 CegarLoopForPetriNet]: trace 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, 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 23:40:01,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:40:01,064 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-28 23:40:01,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:40:01,065 INFO L85 PathProgramCache]: Analyzing trace with hash 647810377, now seen corresponding path program 2 times [2021-10-28 23:40:01,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:40:01,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962577600] [2021-10-28 23:40:01,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:40:01,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:40:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:40:01,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:40:01,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:40:01,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962577600] [2021-10-28 23:40:01,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962577600] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:40:01,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:40:01,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-28 23:40:01,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539739891] [2021-10-28 23:40:01,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 23:40:01,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:40:01,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:40:01,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:40:01,378 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 121 [2021-10-28 23:40:01,379 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 97 transitions, 209 flow. Second operand has 8 states, 8 states have (on average 73.625) internal successors, (589), 8 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:40:01,380 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:40:01,380 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 121 [2021-10-28 23:40:01,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:40:01,579 INFO L129 PetriNetUnfolder]: 3/106 cut-off events. [2021-10-28 23:40:01,579 INFO L130 PetriNetUnfolder]: For 8/10 co-relation queries the response was YES. [2021-10-28 23:40:01,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 106 events. 3/106 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 71 event pairs, 0 based on Foata normal form. 1/104 useless extension candidates. Maximal degree in co-relation 151. Up to 22 conditions per place. [2021-10-28 23:40:01,582 INFO L132 encePairwiseOnDemand]: 111/121 looper letters, 0 selfloop transitions, 0 changer transitions 97/97 dead transitions. [2021-10-28 23:40:01,582 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 97 transitions, 286 flow [2021-10-28 23:40:01,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:40:01,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-28 23:40:01,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 660 transitions. [2021-10-28 23:40:01,586 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6060606060606061 [2021-10-28 23:40:01,586 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 660 transitions. [2021-10-28 23:40:01,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 660 transitions. [2021-10-28 23:40:01,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:40:01,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 660 transitions. [2021-10-28 23:40:01,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 73.33333333333333) internal successors, (660), 9 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:40:01,593 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 121.0) internal successors, (1210), 10 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:40:01,595 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 121.0) internal successors, (1210), 10 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:40:01,595 INFO L186 Difference]: Start difference. First operand has 116 places, 97 transitions, 209 flow. Second operand 9 states and 660 transitions. [2021-10-28 23:40:01,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 97 transitions, 286 flow [2021-10-28 23:40:01,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 97 transitions, 280 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-10-28 23:40:01,598 INFO L242 Difference]: Finished difference. Result has 107 places, 0 transitions, 0 flow [2021-10-28 23:40:01,599 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=107, PETRI_TRANSITIONS=0} [2021-10-28 23:40:01,599 INFO L334 CegarLoopForPetriNet]: 109 programPoint places, -2 predicate places. [2021-10-28 23:40:01,600 INFO L470 AbstractCegarLoop]: Abstraction has has 107 places, 0 transitions, 0 flow [2021-10-28 23:40:01,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 73.625) internal successors, (589), 8 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:40:01,603 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:40:01,604 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-28 23:40:01,604 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-28 23:40:01,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:40:01,608 INFO L731 BasicCegarLoop]: Path program histogram: [2] [2021-10-28 23:40:01,610 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-28 23:40:01,610 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:40:01,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:40:01 BasicIcfg [2021-10-28 23:40:01,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:40:01,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:40:01,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:40:01,614 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:40:01,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:39:59" (3/4) ... [2021-10-28 23:40:01,617 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:40:01,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-28 23:40:01,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-28 23:40:01,629 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-10-28 23:40:01,629 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:40:01,629 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:40:01,630 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:40:01,672 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:40:01,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:40:01,674 INFO L168 Benchmark]: Toolchain (without parser) took 2954.61 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 71.6 MB in the beginning and 49.5 MB in the end (delta: 22.1 MB). Peak memory consumption was 48.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:40:01,674 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 111.1 MB. Free memory is still 88.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:40:01,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.86 ms. Allocated memory is still 111.1 MB. Free memory was 71.3 MB in the beginning and 85.1 MB in the end (delta: -13.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:40:01,675 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.78 ms. Allocated memory is still 111.1 MB. Free memory was 85.1 MB in the beginning and 83.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:40:01,676 INFO L168 Benchmark]: Boogie Preprocessor took 34.56 ms. Allocated memory is still 111.1 MB. Free memory was 83.4 MB in the beginning and 82.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:40:01,676 INFO L168 Benchmark]: RCFGBuilder took 651.26 ms. Allocated memory is still 111.1 MB. Free memory was 82.0 MB in the beginning and 65.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:40:01,677 INFO L168 Benchmark]: TraceAbstraction took 1838.99 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 65.6 MB in the beginning and 52.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 42.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:40:01,677 INFO L168 Benchmark]: Witness Printer took 59.04 ms. Allocated memory is still 138.4 MB. Free memory was 52.6 MB in the beginning and 49.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:40:01,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 111.1 MB. Free memory is still 88.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 301.86 ms. Allocated memory is still 111.1 MB. Free memory was 71.3 MB in the beginning and 85.1 MB in the end (delta: -13.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.78 ms. Allocated memory is still 111.1 MB. Free memory was 85.1 MB in the beginning and 83.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.56 ms. Allocated memory is still 111.1 MB. Free memory was 83.4 MB in the beginning and 82.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 651.26 ms. Allocated memory is still 111.1 MB. Free memory was 82.0 MB in the beginning and 65.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1838.99 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 65.6 MB in the beginning and 52.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 42.8 MB. Max. memory is 16.1 GB. * Witness Printer took 59.04 ms. Allocated memory is still 138.4 MB. Free memory was 52.6 MB in the beginning and 49.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 115]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 134 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 75 SDtfs, 32 SDslu, 186 SDs, 0 SdLazy, 136 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 184 ConstructedInterpolants, 0 QuantifiedInterpolants, 789 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-28 23:40:01,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_178a6e3f-10b5-44db-bd0c-2fc5941bc38b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...