./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1324fc-d9ba-42fd-bbab-5160295d4d49/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1324fc-d9ba-42fd-bbab-5160295d4d49/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1324fc-d9ba-42fd-bbab-5160295d4d49/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1324fc-d9ba-42fd-bbab-5160295d4d49/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1324fc-d9ba-42fd-bbab-5160295d4d49/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1324fc-d9ba-42fd-bbab-5160295d4d49/bin/uautomizer-w2VwFs6gM0 --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 22b51332425cd14048935a20a73abea0065b1633fac56d6d6be511ab67585236 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:18:40,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:18:40,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:18:40,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:18:40,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:18:40,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:18:40,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:18:40,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:18:40,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:18:40,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:18:40,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:18:40,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:18:40,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:18:40,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:18:40,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:18:40,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:18:40,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:18:40,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:18:40,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:18:40,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:18:40,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:18:40,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:18:40,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:18:40,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:18:40,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:18:40,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:18:40,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:18:40,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:18:40,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:18:40,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:18:40,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:18:40,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:18:40,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:18:40,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:18:40,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:18:40,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:18:40,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:18:40,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:18:40,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:18:40,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:18:40,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:18:40,793 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1324fc-d9ba-42fd-bbab-5160295d4d49/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 15:18:40,836 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:18:40,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:18:40,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:18:40,838 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:18:40,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:18:40,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:18:40,846 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:18:40,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:18:40,846 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:18:40,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:18:40,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:18:40,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:18:40,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:18:40,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:18:40,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:18:40,849 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:18:40,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:18:40,849 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:18:40,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:18:40,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:18:40,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:18:40,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:18:40,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:18:40,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:18:40,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:18:40,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:18:40,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:18:40,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:18:40,852 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:18:40,853 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:18:40,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:18:40,854 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:18:40,854 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_0d1324fc-d9ba-42fd-bbab-5160295d4d49/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1324fc-d9ba-42fd-bbab-5160295d4d49/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22b51332425cd14048935a20a73abea0065b1633fac56d6d6be511ab67585236 [2021-11-22 15:18:41,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:18:41,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:18:41,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:18:41,173 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:18:41,174 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:18:41,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1324fc-d9ba-42fd-bbab-5160295d4d49/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2021-11-22 15:18:41,248 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1324fc-d9ba-42fd-bbab-5160295d4d49/bin/uautomizer-w2VwFs6gM0/data/d9c5f06f5/856331ed8aed496ab9e238a7f45a42c3/FLAG851db71ac [2021-11-22 15:18:41,686 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:18:41,686 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1324fc-d9ba-42fd-bbab-5160295d4d49/sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2021-11-22 15:18:41,698 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1324fc-d9ba-42fd-bbab-5160295d4d49/bin/uautomizer-w2VwFs6gM0/data/d9c5f06f5/856331ed8aed496ab9e238a7f45a42c3/FLAG851db71ac [2021-11-22 15:18:42,081 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1324fc-d9ba-42fd-bbab-5160295d4d49/bin/uautomizer-w2VwFs6gM0/data/d9c5f06f5/856331ed8aed496ab9e238a7f45a42c3 [2021-11-22 15:18:42,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:18:42,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:18:42,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:18:42,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:18:42,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:18:42,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:18:42" (1/1) ... [2021-11-22 15:18:42,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7870fb1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:42, skipping insertion in model container [2021-11-22 15:18:42,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:18:42" (1/1) ... [2021-11-22 15:18:42,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:18:42,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:18:42,313 WARN L230 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_0d1324fc-d9ba-42fd-bbab-5160295d4d49/sv-benchmarks/c/weaver/parallel-barrier.wvr.c[4722,4735] [2021-11-22 15:18:42,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:18:42,325 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:18:42,397 WARN L230 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_0d1324fc-d9ba-42fd-bbab-5160295d4d49/sv-benchmarks/c/weaver/parallel-barrier.wvr.c[4722,4735] [2021-11-22 15:18:42,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:18:42,423 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:18:42,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:42 WrapperNode [2021-11-22 15:18:42,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:18:42,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:18:42,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:18:42,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:18:42,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:42" (1/1) ... [2021-11-22 15:18:42,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:42" (1/1) ... [2021-11-22 15:18:42,493 INFO L137 Inliner]: procedures = 25, calls = 98, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 253 [2021-11-22 15:18:42,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:18:42,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:18:42,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:18:42,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:18:42,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:42" (1/1) ... [2021-11-22 15:18:42,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:42" (1/1) ... [2021-11-22 15:18:42,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:42" (1/1) ... [2021-11-22 15:18:42,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:42" (1/1) ... [2021-11-22 15:18:42,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:42" (1/1) ... [2021-11-22 15:18:42,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:42" (1/1) ... [2021-11-22 15:18:42,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:42" (1/1) ... [2021-11-22 15:18:42,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:18:42,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:18:42,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:18:42,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:18:42,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:42" (1/1) ... [2021-11-22 15:18:42,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:18:42,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1324fc-d9ba-42fd-bbab-5160295d4d49/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:18:42,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1324fc-d9ba-42fd-bbab-5160295d4d49/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:18:42,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d1324fc-d9ba-42fd-bbab-5160295d4d49/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:18:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:18:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:18:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 15:18:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 15:18:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-22 15:18:42,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-22 15:18:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-22 15:18:42,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-22 15:18:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-22 15:18:42,621 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-22 15:18:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-22 15:18:42,622 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-22 15:18:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:18:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-11-22 15:18:42,622 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-11-22 15:18:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-11-22 15:18:42,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-11-22 15:18:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-22 15:18:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-22 15:18:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:18:42,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:18:42,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:18:42,625 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 15:18:42,715 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:18:42,717 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:18:43,006 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:18:43,110 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:18:43,110 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 15:18:43,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:18:43 BoogieIcfgContainer [2021-11-22 15:18:43,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:18:43,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:18:43,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:18:43,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:18:43,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:18:42" (1/3) ... [2021-11-22 15:18:43,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5221cfbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:18:43, skipping insertion in model container [2021-11-22 15:18:43,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:18:42" (2/3) ... [2021-11-22 15:18:43,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5221cfbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:18:43, skipping insertion in model container [2021-11-22 15:18:43,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:18:43" (3/3) ... [2021-11-22 15:18:43,122 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-barrier.wvr.c [2021-11-22 15:18:43,127 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-22 15:18:43,127 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:18:43,127 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 15:18:43,127 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-22 15:18:43,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,233 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,233 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,233 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,234 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,234 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,234 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,235 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,235 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,235 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,235 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,235 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,236 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,236 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,236 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,237 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,237 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,237 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,237 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,238 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,238 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,238 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,239 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,239 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,239 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,239 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,240 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,240 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,240 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,240 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,241 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,241 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,241 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,242 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,242 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,242 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,242 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,243 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,243 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,243 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,243 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,244 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,244 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,244 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,245 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,245 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,245 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,245 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,246 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,246 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,246 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,247 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,247 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,247 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,247 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,248 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,248 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,248 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,249 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,249 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,249 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,249 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,250 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,250 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,250 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,250 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,251 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,251 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,251 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,255 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,255 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,255 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,256 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,256 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,256 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,257 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,257 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,258 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,258 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,258 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,259 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,259 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,259 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,259 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,260 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,260 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,260 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,261 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,261 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,261 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,261 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,262 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,262 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,262 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,262 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,263 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,263 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,263 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,263 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,264 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,264 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,264 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,265 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,265 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,265 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,265 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,266 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,266 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,266 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,266 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,266 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,267 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,267 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,267 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,268 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,268 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,268 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,268 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,269 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,269 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,269 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,269 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,269 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,270 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,270 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,270 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,270 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,271 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,271 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,271 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,271 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,272 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,272 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,272 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,272 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,273 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,273 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,273 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,273 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,274 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,274 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,274 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,274 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,275 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,275 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,275 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,275 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,276 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,276 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,276 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,276 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,277 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,277 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,277 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,278 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,278 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,278 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,279 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,279 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,279 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,279 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,280 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,280 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,280 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,281 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,281 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,281 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,282 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,282 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,286 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,286 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,287 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,288 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,288 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,288 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,289 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,289 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,290 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,290 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,292 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,293 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,293 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,293 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,293 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,293 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,294 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,297 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,297 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,298 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,298 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,298 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,298 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,298 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,299 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,299 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,299 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,299 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,302 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,303 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,303 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,305 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,309 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,309 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,310 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,310 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,311 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,311 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,311 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,312 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,314 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,316 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,317 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,318 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,318 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,318 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,318 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,319 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,320 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,323 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,323 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 15:18:43,348 INFO L148 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-11-22 15:18:43,400 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:18:43,407 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 [2021-11-22 15:18:43,407 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-11-22 15:18:43,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 246 places, 235 transitions, 542 flow [2021-11-22 15:18:43,548 INFO L129 PetriNetUnfolder]: 8/207 cut-off events. [2021-11-22 15:18:43,548 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-22 15:18:43,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 207 events. 8/207 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 243 event pairs, 0 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 177. Up to 3 conditions per place. [2021-11-22 15:18:43,564 INFO L82 GeneralOperation]: Start removeDead. Operand has 246 places, 235 transitions, 542 flow [2021-11-22 15:18:43,578 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 209 places, 198 transitions, 444 flow [2021-11-22 15:18:43,634 INFO L129 PetriNetUnfolder]: 8/197 cut-off events. [2021-11-22 15:18:43,634 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-22 15:18:43,634 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:18:43,635 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, 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] [2021-11-22 15:18:43,636 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-22 15:18:43,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:18:43,641 INFO L85 PathProgramCache]: Analyzing trace with hash 7379460, now seen corresponding path program 1 times [2021-11-22 15:18:43,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:18:43,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339525568] [2021-11-22 15:18:43,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:18:43,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:18:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:18:44,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:18:44,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:18:44,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339525568] [2021-11-22 15:18:44,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339525568] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:18:44,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:18:44,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:18:44,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35305561] [2021-11-22 15:18:44,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:18:44,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:18:44,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:18:44,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:18:44,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:18:44,443 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 239 [2021-11-22 15:18:44,452 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 198 transitions, 444 flow. Second operand has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 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) [2021-11-22 15:18:44,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:18:44,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 239 [2021-11-22 15:18:44,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:18:45,040 INFO L129 PetriNetUnfolder]: 354/1315 cut-off events. [2021-11-22 15:18:45,041 INFO L130 PetriNetUnfolder]: For 424/424 co-relation queries the response was YES. [2021-11-22 15:18:45,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2287 conditions, 1315 events. 354/1315 cut-off events. For 424/424 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 7887 event pairs, 170 based on Foata normal form. 41/1228 useless extension candidates. Maximal degree in co-relation 2051. Up to 365 conditions per place. [2021-11-22 15:18:45,067 INFO L132 encePairwiseOnDemand]: 228/239 looper letters, 49 selfloop transitions, 6 changer transitions 3/222 dead transitions. [2021-11-22 15:18:45,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 222 transitions, 670 flow [2021-11-22 15:18:45,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:18:45,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-22 15:18:45,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1054 transitions. [2021-11-22 15:18:45,096 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8820083682008368 [2021-11-22 15:18:45,097 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1054 transitions. [2021-11-22 15:18:45,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1054 transitions. [2021-11-22 15:18:45,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:18:45,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1054 transitions. [2021-11-22 15:18:45,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 210.8) internal successors, (1054), 5 states have internal predecessors, (1054), 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) [2021-11-22 15:18:45,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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) [2021-11-22 15:18:45,128 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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) [2021-11-22 15:18:45,130 INFO L186 Difference]: Start difference. First operand has 209 places, 198 transitions, 444 flow. Second operand 5 states and 1054 transitions. [2021-11-22 15:18:45,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 222 transitions, 670 flow [2021-11-22 15:18:45,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 222 transitions, 594 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-11-22 15:18:45,149 INFO L242 Difference]: Finished difference. Result has 202 places, 191 transitions, 416 flow [2021-11-22 15:18:45,151 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=416, PETRI_PLACES=202, PETRI_TRANSITIONS=191} [2021-11-22 15:18:45,156 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, -7 predicate places. [2021-11-22 15:18:45,156 INFO L470 AbstractCegarLoop]: Abstraction has has 202 places, 191 transitions, 416 flow [2021-11-22 15:18:45,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 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) [2021-11-22 15:18:45,158 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:18:45,158 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, 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] [2021-11-22 15:18:45,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:18:45,159 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-22 15:18:45,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:18:45,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1171318792, now seen corresponding path program 2 times [2021-11-22 15:18:45,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:18:45,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048192111] [2021-11-22 15:18:45,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:18:45,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:18:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:18:45,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:18:45,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:18:45,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048192111] [2021-11-22 15:18:45,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048192111] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:18:45,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:18:45,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:18:45,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981982422] [2021-11-22 15:18:45,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:18:45,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:18:45,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:18:45,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:18:45,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:18:45,554 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 239 [2021-11-22 15:18:45,556 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 191 transitions, 416 flow. Second operand has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 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) [2021-11-22 15:18:45,556 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:18:45,556 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 239 [2021-11-22 15:18:45,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:18:45,926 INFO L129 PetriNetUnfolder]: 300/1198 cut-off events. [2021-11-22 15:18:45,927 INFO L130 PetriNetUnfolder]: For 141/141 co-relation queries the response was YES. [2021-11-22 15:18:45,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1829 conditions, 1198 events. 300/1198 cut-off events. For 141/141 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 6898 event pairs, 128 based on Foata normal form. 22/1098 useless extension candidates. Maximal degree in co-relation 1402. Up to 289 conditions per place. [2021-11-22 15:18:45,941 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 48 selfloop transitions, 6 changer transitions 1/218 dead transitions. [2021-11-22 15:18:45,941 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 218 transitions, 607 flow [2021-11-22 15:18:45,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:18:45,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-22 15:18:45,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1046 transitions. [2021-11-22 15:18:45,952 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8753138075313808 [2021-11-22 15:18:45,952 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1046 transitions. [2021-11-22 15:18:45,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1046 transitions. [2021-11-22 15:18:45,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:18:45,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1046 transitions. [2021-11-22 15:18:45,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 209.2) internal successors, (1046), 5 states have internal predecessors, (1046), 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) [2021-11-22 15:18:45,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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) [2021-11-22 15:18:45,962 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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) [2021-11-22 15:18:45,962 INFO L186 Difference]: Start difference. First operand has 202 places, 191 transitions, 416 flow. Second operand 5 states and 1046 transitions. [2021-11-22 15:18:45,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 218 transitions, 607 flow [2021-11-22 15:18:45,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 218 transitions, 595 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-22 15:18:45,974 INFO L242 Difference]: Finished difference. Result has 200 places, 190 transitions, 420 flow [2021-11-22 15:18:45,974 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=420, PETRI_PLACES=200, PETRI_TRANSITIONS=190} [2021-11-22 15:18:45,975 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, -9 predicate places. [2021-11-22 15:18:45,975 INFO L470 AbstractCegarLoop]: Abstraction has has 200 places, 190 transitions, 420 flow [2021-11-22 15:18:45,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 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) [2021-11-22 15:18:45,977 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:18:45,977 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, 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] [2021-11-22 15:18:45,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 15:18:45,977 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-22 15:18:45,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:18:45,980 INFO L85 PathProgramCache]: Analyzing trace with hash 104742018, now seen corresponding path program 1 times [2021-11-22 15:18:45,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:18:45,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050098562] [2021-11-22 15:18:45,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:18:45,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:18:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:18:46,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:18:46,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:18:46,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050098562] [2021-11-22 15:18:46,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050098562] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:18:46,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:18:46,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:18:46,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105512104] [2021-11-22 15:18:46,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:18:46,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:18:46,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:18:46,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:18:46,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:18:46,339 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 239 [2021-11-22 15:18:46,341 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 190 transitions, 420 flow. Second operand has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 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) [2021-11-22 15:18:46,342 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:18:46,342 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 239 [2021-11-22 15:18:46,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:18:46,713 INFO L129 PetriNetUnfolder]: 311/1167 cut-off events. [2021-11-22 15:18:46,713 INFO L130 PetriNetUnfolder]: For 174/174 co-relation queries the response was YES. [2021-11-22 15:18:46,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1900 conditions, 1167 events. 311/1167 cut-off events. For 174/174 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 6706 event pairs, 141 based on Foata normal form. 11/1085 useless extension candidates. Maximal degree in co-relation 1581. Up to 327 conditions per place. [2021-11-22 15:18:46,728 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 49 selfloop transitions, 6 changer transitions 0/218 dead transitions. [2021-11-22 15:18:46,728 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 218 transitions, 614 flow [2021-11-22 15:18:46,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:18:46,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-22 15:18:46,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1046 transitions. [2021-11-22 15:18:46,733 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8753138075313808 [2021-11-22 15:18:46,733 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1046 transitions. [2021-11-22 15:18:46,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1046 transitions. [2021-11-22 15:18:46,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:18:46,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1046 transitions. [2021-11-22 15:18:46,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 209.2) internal successors, (1046), 5 states have internal predecessors, (1046), 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) [2021-11-22 15:18:46,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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) [2021-11-22 15:18:46,743 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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) [2021-11-22 15:18:46,743 INFO L186 Difference]: Start difference. First operand has 200 places, 190 transitions, 420 flow. Second operand 5 states and 1046 transitions. [2021-11-22 15:18:46,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 218 transitions, 614 flow [2021-11-22 15:18:46,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 218 transitions, 602 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-22 15:18:46,757 INFO L242 Difference]: Finished difference. Result has 200 places, 190 transitions, 426 flow [2021-11-22 15:18:46,757 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=426, PETRI_PLACES=200, PETRI_TRANSITIONS=190} [2021-11-22 15:18:46,760 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, -9 predicate places. [2021-11-22 15:18:46,760 INFO L470 AbstractCegarLoop]: Abstraction has has 200 places, 190 transitions, 426 flow [2021-11-22 15:18:46,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 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) [2021-11-22 15:18:46,761 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:18:46,762 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, 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] [2021-11-22 15:18:46,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 15:18:46,762 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-22 15:18:46,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:18:46,764 INFO L85 PathProgramCache]: Analyzing trace with hash 632833614, now seen corresponding path program 2 times [2021-11-22 15:18:46,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:18:46,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245538999] [2021-11-22 15:18:46,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:18:46,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:18:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:18:47,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:18:47,828 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:18:47,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245538999] [2021-11-22 15:18:47,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245538999] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:18:47,829 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:18:47,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-22 15:18:47,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520581079] [2021-11-22 15:18:47,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:18:47,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-22 15:18:47,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:18:47,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-22 15:18:47,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2021-11-22 15:18:47,836 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2021-11-22 15:18:47,842 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 190 transitions, 426 flow. Second operand has 21 states, 21 states have (on average 165.71428571428572) internal successors, (3480), 21 states have internal predecessors, (3480), 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) [2021-11-22 15:18:47,842 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:18:47,842 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2021-11-22 15:18:47,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:18:53,026 INFO L129 PetriNetUnfolder]: 5258/9715 cut-off events. [2021-11-22 15:18:53,026 INFO L130 PetriNetUnfolder]: For 1673/1673 co-relation queries the response was YES. [2021-11-22 15:18:53,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18897 conditions, 9715 events. 5258/9715 cut-off events. For 1673/1673 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 69628 event pairs, 802 based on Foata normal form. 2/8930 useless extension candidates. Maximal degree in co-relation 18044. Up to 3952 conditions per place. [2021-11-22 15:18:53,151 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 222 selfloop transitions, 105 changer transitions 31/487 dead transitions. [2021-11-22 15:18:53,151 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 487 transitions, 1894 flow [2021-11-22 15:18:53,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-22 15:18:53,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-11-22 15:18:53,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 6065 transitions. [2021-11-22 15:18:53,171 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7250448296473401 [2021-11-22 15:18:53,171 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 6065 transitions. [2021-11-22 15:18:53,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 6065 transitions. [2021-11-22 15:18:53,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:18:53,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 6065 transitions. [2021-11-22 15:18:53,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 173.28571428571428) internal successors, (6065), 35 states have internal predecessors, (6065), 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) [2021-11-22 15:18:53,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 239.0) internal successors, (8604), 36 states have internal predecessors, (8604), 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) [2021-11-22 15:18:53,221 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 239.0) internal successors, (8604), 36 states have internal predecessors, (8604), 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) [2021-11-22 15:18:53,221 INFO L186 Difference]: Start difference. First operand has 200 places, 190 transitions, 426 flow. Second operand 35 states and 6065 transitions. [2021-11-22 15:18:53,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 487 transitions, 1894 flow [2021-11-22 15:18:53,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 487 transitions, 1866 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-22 15:18:53,239 INFO L242 Difference]: Finished difference. Result has 251 places, 296 transitions, 1012 flow [2021-11-22 15:18:53,239 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=1012, PETRI_PLACES=251, PETRI_TRANSITIONS=296} [2021-11-22 15:18:53,240 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 42 predicate places. [2021-11-22 15:18:53,240 INFO L470 AbstractCegarLoop]: Abstraction has has 251 places, 296 transitions, 1012 flow [2021-11-22 15:18:53,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 165.71428571428572) internal successors, (3480), 21 states have internal predecessors, (3480), 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) [2021-11-22 15:18:53,243 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:18:53,243 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, 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] [2021-11-22 15:18:53,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 15:18:53,243 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-22 15:18:53,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:18:53,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1949511864, now seen corresponding path program 3 times [2021-11-22 15:18:53,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:18:53,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178667575] [2021-11-22 15:18:53,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:18:53,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:18:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:18:53,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:18:53,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:18:53,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178667575] [2021-11-22 15:18:53,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178667575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:18:53,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:18:53,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:18:53,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80466528] [2021-11-22 15:18:53,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:18:53,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:18:53,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:18:53,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:18:53,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:18:53,408 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 239 [2021-11-22 15:18:53,410 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 296 transitions, 1012 flow. Second operand has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 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) [2021-11-22 15:18:53,411 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:18:53,411 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 239 [2021-11-22 15:18:53,411 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:18:54,255 INFO L129 PetriNetUnfolder]: 1257/3708 cut-off events. [2021-11-22 15:18:54,255 INFO L130 PetriNetUnfolder]: For 1905/1935 co-relation queries the response was YES. [2021-11-22 15:18:54,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7179 conditions, 3708 events. 1257/3708 cut-off events. For 1905/1935 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 28858 event pairs, 453 based on Foata normal form. 56/3275 useless extension candidates. Maximal degree in co-relation 7147. Up to 973 conditions per place. [2021-11-22 15:18:54,317 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 48 selfloop transitions, 6 changer transitions 0/321 dead transitions. [2021-11-22 15:18:54,317 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 321 transitions, 1199 flow [2021-11-22 15:18:54,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:18:54,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-22 15:18:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1045 transitions. [2021-11-22 15:18:54,322 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8744769874476988 [2021-11-22 15:18:54,323 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1045 transitions. [2021-11-22 15:18:54,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1045 transitions. [2021-11-22 15:18:54,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:18:54,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1045 transitions. [2021-11-22 15:18:54,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 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) [2021-11-22 15:18:54,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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) [2021-11-22 15:18:54,332 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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) [2021-11-22 15:18:54,332 INFO L186 Difference]: Start difference. First operand has 251 places, 296 transitions, 1012 flow. Second operand 5 states and 1045 transitions. [2021-11-22 15:18:54,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 321 transitions, 1199 flow [2021-11-22 15:18:54,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 321 transitions, 1187 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-11-22 15:18:54,356 INFO L242 Difference]: Finished difference. Result has 246 places, 294 transitions, 1010 flow [2021-11-22 15:18:54,357 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=992, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1010, PETRI_PLACES=246, PETRI_TRANSITIONS=294} [2021-11-22 15:18:54,359 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 37 predicate places. [2021-11-22 15:18:54,360 INFO L470 AbstractCegarLoop]: Abstraction has has 246 places, 294 transitions, 1010 flow [2021-11-22 15:18:54,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 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) [2021-11-22 15:18:54,361 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:18:54,361 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, 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] [2021-11-22 15:18:54,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 15:18:54,362 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-22 15:18:54,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:18:54,362 INFO L85 PathProgramCache]: Analyzing trace with hash -270652034, now seen corresponding path program 4 times [2021-11-22 15:18:54,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:18:54,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319969416] [2021-11-22 15:18:54,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:18:54,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:18:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:18:55,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:18:55,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:18:55,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319969416] [2021-11-22 15:18:55,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319969416] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:18:55,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:18:55,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-11-22 15:18:55,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811781753] [2021-11-22 15:18:55,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:18:55,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-22 15:18:55,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:18:55,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-22 15:18:55,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2021-11-22 15:18:55,711 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 239 [2021-11-22 15:18:55,716 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 294 transitions, 1010 flow. Second operand has 25 states, 25 states have (on average 161.4) internal successors, (4035), 25 states have internal predecessors, (4035), 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) [2021-11-22 15:18:55,717 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:18:55,717 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 239 [2021-11-22 15:18:55,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:19:01,900 INFO L129 PetriNetUnfolder]: 5666/11212 cut-off events. [2021-11-22 15:19:01,901 INFO L130 PetriNetUnfolder]: For 13978/13978 co-relation queries the response was YES. [2021-11-22 15:19:01,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29968 conditions, 11212 events. 5666/11212 cut-off events. For 13978/13978 co-relation queries the response was YES. Maximal size of possible extension queue 344. Compared 83715 event pairs, 1440 based on Foata normal form. 1/10353 useless extension candidates. Maximal degree in co-relation 28717. Up to 5000 conditions per place. [2021-11-22 15:19:02,092 INFO L132 encePairwiseOnDemand]: 213/239 looper letters, 413 selfloop transitions, 194 changer transitions 14/747 dead transitions. [2021-11-22 15:19:02,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 747 transitions, 4370 flow [2021-11-22 15:19:02,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-22 15:19:02,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2021-11-22 15:19:02,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 9602 transitions. [2021-11-22 15:19:02,125 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.704837407325846 [2021-11-22 15:19:02,126 INFO L72 ComplementDD]: Start complementDD. Operand 57 states and 9602 transitions. [2021-11-22 15:19:02,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 9602 transitions. [2021-11-22 15:19:02,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:19:02,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 57 states and 9602 transitions. [2021-11-22 15:19:02,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 58 states, 57 states have (on average 168.4561403508772) internal successors, (9602), 57 states have internal predecessors, (9602), 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) [2021-11-22 15:19:02,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 58 states, 58 states have (on average 239.0) internal successors, (13862), 58 states have internal predecessors, (13862), 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) [2021-11-22 15:19:02,213 INFO L81 ComplementDD]: Finished complementDD. Result has 58 states, 58 states have (on average 239.0) internal successors, (13862), 58 states have internal predecessors, (13862), 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) [2021-11-22 15:19:02,213 INFO L186 Difference]: Start difference. First operand has 246 places, 294 transitions, 1010 flow. Second operand 57 states and 9602 transitions. [2021-11-22 15:19:02,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 747 transitions, 4370 flow [2021-11-22 15:19:02,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 747 transitions, 4352 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-22 15:19:02,287 INFO L242 Difference]: Finished difference. Result has 320 places, 482 transitions, 2739 flow [2021-11-22 15:19:02,288 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=998, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=57, PETRI_FLOW=2739, PETRI_PLACES=320, PETRI_TRANSITIONS=482} [2021-11-22 15:19:02,291 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 111 predicate places. [2021-11-22 15:19:02,291 INFO L470 AbstractCegarLoop]: Abstraction has has 320 places, 482 transitions, 2739 flow [2021-11-22 15:19:02,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 161.4) internal successors, (4035), 25 states have internal predecessors, (4035), 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) [2021-11-22 15:19:02,293 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:19:02,293 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, 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] [2021-11-22 15:19:02,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 15:19:02,294 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-22 15:19:02,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:02,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1352202594, now seen corresponding path program 5 times [2021-11-22 15:19:02,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:02,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441450899] [2021-11-22 15:19:02,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:02,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:03,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:03,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:03,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441450899] [2021-11-22 15:19:03,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441450899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:03,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:03,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-11-22 15:19:03,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646437537] [2021-11-22 15:19:03,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:03,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-22 15:19:03,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:03,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-22 15:19:03,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-11-22 15:19:03,160 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2021-11-22 15:19:03,165 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 482 transitions, 2739 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 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) [2021-11-22 15:19:03,165 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:19:03,165 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2021-11-22 15:19:03,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:19:09,059 INFO L129 PetriNetUnfolder]: 6743/13293 cut-off events. [2021-11-22 15:19:09,059 INFO L130 PetriNetUnfolder]: For 39224/39225 co-relation queries the response was YES. [2021-11-22 15:19:09,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43507 conditions, 13293 events. 6743/13293 cut-off events. For 39224/39225 co-relation queries the response was YES. Maximal size of possible extension queue 361. Compared 103200 event pairs, 1973 based on Foata normal form. 2/12234 useless extension candidates. Maximal degree in co-relation 43430. Up to 6580 conditions per place. [2021-11-22 15:19:09,287 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 552 selfloop transitions, 213 changer transitions 20/916 dead transitions. [2021-11-22 15:19:09,288 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 916 transitions, 6832 flow [2021-11-22 15:19:09,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-22 15:19:09,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-11-22 15:19:09,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 8429 transitions. [2021-11-22 15:19:09,303 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7197506617709846 [2021-11-22 15:19:09,303 INFO L72 ComplementDD]: Start complementDD. Operand 49 states and 8429 transitions. [2021-11-22 15:19:09,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 8429 transitions. [2021-11-22 15:19:09,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:19:09,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 49 states and 8429 transitions. [2021-11-22 15:19:09,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 50 states, 49 states have (on average 172.0204081632653) internal successors, (8429), 49 states have internal predecessors, (8429), 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) [2021-11-22 15:19:09,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 50 states, 50 states have (on average 239.0) internal successors, (11950), 50 states have internal predecessors, (11950), 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) [2021-11-22 15:19:09,354 INFO L81 ComplementDD]: Finished complementDD. Result has 50 states, 50 states have (on average 239.0) internal successors, (11950), 50 states have internal predecessors, (11950), 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) [2021-11-22 15:19:09,354 INFO L186 Difference]: Start difference. First operand has 320 places, 482 transitions, 2739 flow. Second operand 49 states and 8429 transitions. [2021-11-22 15:19:09,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 916 transitions, 6832 flow [2021-11-22 15:19:09,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 916 transitions, 5929 flow, removed 411 selfloop flow, removed 7 redundant places. [2021-11-22 15:19:10,000 INFO L242 Difference]: Finished difference. Result has 376 places, 664 transitions, 4023 flow [2021-11-22 15:19:10,002 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=2046, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=482, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=49, PETRI_FLOW=4023, PETRI_PLACES=376, PETRI_TRANSITIONS=664} [2021-11-22 15:19:10,002 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 167 predicate places. [2021-11-22 15:19:10,002 INFO L470 AbstractCegarLoop]: Abstraction has has 376 places, 664 transitions, 4023 flow [2021-11-22 15:19:10,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 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) [2021-11-22 15:19:10,003 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:19:10,004 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, 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] [2021-11-22 15:19:10,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 15:19:10,004 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-22 15:19:10,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:10,005 INFO L85 PathProgramCache]: Analyzing trace with hash 98469106, now seen corresponding path program 6 times [2021-11-22 15:19:10,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:10,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78663330] [2021-11-22 15:19:10,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:10,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:10,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:10,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:10,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78663330] [2021-11-22 15:19:10,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78663330] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:10,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:10,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-11-22 15:19:10,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316026632] [2021-11-22 15:19:10,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:10,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-22 15:19:10,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:10,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-22 15:19:10,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2021-11-22 15:19:10,870 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2021-11-22 15:19:10,873 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 664 transitions, 4023 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 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) [2021-11-22 15:19:10,874 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:19:10,874 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2021-11-22 15:19:10,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:19:17,324 INFO L129 PetriNetUnfolder]: 7777/15524 cut-off events. [2021-11-22 15:19:17,325 INFO L130 PetriNetUnfolder]: For 57823/57828 co-relation queries the response was YES. [2021-11-22 15:19:17,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53682 conditions, 15524 events. 7777/15524 cut-off events. For 57823/57828 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 126019 event pairs, 2275 based on Foata normal form. 6/14285 useless extension candidates. Maximal degree in co-relation 53579. Up to 7081 conditions per place. [2021-11-22 15:19:17,613 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 671 selfloop transitions, 292 changer transitions 20/1114 dead transitions. [2021-11-22 15:19:17,613 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 1114 transitions, 8954 flow [2021-11-22 15:19:17,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-22 15:19:17,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-11-22 15:19:17,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 9275 transitions. [2021-11-22 15:19:17,630 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7186579885324655 [2021-11-22 15:19:17,630 INFO L72 ComplementDD]: Start complementDD. Operand 54 states and 9275 transitions. [2021-11-22 15:19:17,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 9275 transitions. [2021-11-22 15:19:17,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:19:17,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 54 states and 9275 transitions. [2021-11-22 15:19:17,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 55 states, 54 states have (on average 171.75925925925927) internal successors, (9275), 54 states have internal predecessors, (9275), 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) [2021-11-22 15:19:17,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 55 states, 55 states have (on average 239.0) internal successors, (13145), 55 states have internal predecessors, (13145), 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) [2021-11-22 15:19:17,676 INFO L81 ComplementDD]: Finished complementDD. Result has 55 states, 55 states have (on average 239.0) internal successors, (13145), 55 states have internal predecessors, (13145), 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) [2021-11-22 15:19:17,676 INFO L186 Difference]: Start difference. First operand has 376 places, 664 transitions, 4023 flow. Second operand 54 states and 9275 transitions. [2021-11-22 15:19:17,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 1114 transitions, 8954 flow [2021-11-22 15:19:18,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 1114 transitions, 7989 flow, removed 399 selfloop flow, removed 6 redundant places. [2021-11-22 15:19:18,691 INFO L242 Difference]: Finished difference. Result has 435 places, 845 transitions, 5727 flow [2021-11-22 15:19:18,693 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=3430, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=664, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=54, PETRI_FLOW=5727, PETRI_PLACES=435, PETRI_TRANSITIONS=845} [2021-11-22 15:19:18,693 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 226 predicate places. [2021-11-22 15:19:18,694 INFO L470 AbstractCegarLoop]: Abstraction has has 435 places, 845 transitions, 5727 flow [2021-11-22 15:19:18,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 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) [2021-11-22 15:19:18,695 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:19:18,695 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, 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] [2021-11-22 15:19:18,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 15:19:18,696 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-22 15:19:18,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:18,696 INFO L85 PathProgramCache]: Analyzing trace with hash -585204508, now seen corresponding path program 7 times [2021-11-22 15:19:18,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:18,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468567659] [2021-11-22 15:19:18,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:18,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:19,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:19,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:19,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468567659] [2021-11-22 15:19:19,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468567659] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:19,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:19,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-11-22 15:19:19,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15848308] [2021-11-22 15:19:19,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:19,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-22 15:19:19,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:19,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-22 15:19:19,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=768, Unknown=0, NotChecked=0, Total=870 [2021-11-22 15:19:19,608 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 239 [2021-11-22 15:19:19,613 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 845 transitions, 5727 flow. Second operand has 30 states, 30 states have (on average 157.1) internal successors, (4713), 30 states have internal predecessors, (4713), 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) [2021-11-22 15:19:19,613 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:19:19,613 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 239 [2021-11-22 15:19:19,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:19:29,080 INFO L129 PetriNetUnfolder]: 10344/20262 cut-off events. [2021-11-22 15:19:29,080 INFO L130 PetriNetUnfolder]: For 81004/81004 co-relation queries the response was YES. [2021-11-22 15:19:29,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74894 conditions, 20262 events. 10344/20262 cut-off events. For 81004/81004 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 167222 event pairs, 2329 based on Foata normal form. 1/18765 useless extension candidates. Maximal degree in co-relation 74767. Up to 8289 conditions per place. [2021-11-22 15:19:29,484 INFO L132 encePairwiseOnDemand]: 210/239 looper letters, 856 selfloop transitions, 659 changer transitions 20/1658 dead transitions. [2021-11-22 15:19:29,484 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 497 places, 1658 transitions, 15759 flow [2021-11-22 15:19:29,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-11-22 15:19:29,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2021-11-22 15:19:29,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 10969 transitions. [2021-11-22 15:19:29,503 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6850059326796978 [2021-11-22 15:19:29,503 INFO L72 ComplementDD]: Start complementDD. Operand 67 states and 10969 transitions. [2021-11-22 15:19:29,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 10969 transitions. [2021-11-22 15:19:29,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:19:29,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 67 states and 10969 transitions. [2021-11-22 15:19:29,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 68 states, 67 states have (on average 163.71641791044777) internal successors, (10969), 67 states have internal predecessors, (10969), 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) [2021-11-22 15:19:29,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 68 states, 68 states have (on average 239.0) internal successors, (16252), 68 states have internal predecessors, (16252), 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) [2021-11-22 15:19:29,725 INFO L81 ComplementDD]: Finished complementDD. Result has 68 states, 68 states have (on average 239.0) internal successors, (16252), 68 states have internal predecessors, (16252), 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) [2021-11-22 15:19:29,725 INFO L186 Difference]: Start difference. First operand has 435 places, 845 transitions, 5727 flow. Second operand 67 states and 10969 transitions. [2021-11-22 15:19:29,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 497 places, 1658 transitions, 15759 flow [2021-11-22 15:19:30,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 1658 transitions, 15137 flow, removed 309 selfloop flow, removed 5 redundant places. [2021-11-22 15:19:30,562 INFO L242 Difference]: Finished difference. Result has 522 places, 1317 transitions, 12345 flow [2021-11-22 15:19:30,564 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=5261, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=845, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=222, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=588, PETRI_DIFFERENCE_SUBTRAHEND_STATES=67, PETRI_FLOW=12345, PETRI_PLACES=522, PETRI_TRANSITIONS=1317} [2021-11-22 15:19:30,564 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 313 predicate places. [2021-11-22 15:19:30,565 INFO L470 AbstractCegarLoop]: Abstraction has has 522 places, 1317 transitions, 12345 flow [2021-11-22 15:19:30,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 157.1) internal successors, (4713), 30 states have internal predecessors, (4713), 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) [2021-11-22 15:19:30,566 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:19:30,566 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, 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] [2021-11-22 15:19:30,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 15:19:30,567 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-22 15:19:30,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:30,567 INFO L85 PathProgramCache]: Analyzing trace with hash 477267350, now seen corresponding path program 8 times [2021-11-22 15:19:30,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:30,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955258698] [2021-11-22 15:19:30,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:30,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:31,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:31,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:31,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955258698] [2021-11-22 15:19:31,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955258698] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:31,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:31,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-11-22 15:19:31,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004989190] [2021-11-22 15:19:31,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:31,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-22 15:19:31,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:31,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-22 15:19:31,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-11-22 15:19:31,507 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 239 [2021-11-22 15:19:31,511 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 1317 transitions, 12345 flow. Second operand has 27 states, 27 states have (on average 161.22222222222223) internal successors, (4353), 27 states have internal predecessors, (4353), 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) [2021-11-22 15:19:31,512 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:19:31,512 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 239 [2021-11-22 15:19:31,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:19:45,041 INFO L129 PetriNetUnfolder]: 12057/23170 cut-off events. [2021-11-22 15:19:45,041 INFO L130 PetriNetUnfolder]: For 148915/148931 co-relation queries the response was YES. [2021-11-22 15:19:45,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98462 conditions, 23170 events. 12057/23170 cut-off events. For 148915/148931 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 192120 event pairs, 2897 based on Foata normal form. 8/21564 useless extension candidates. Maximal degree in co-relation 98297. Up to 9710 conditions per place. [2021-11-22 15:19:45,705 INFO L132 encePairwiseOnDemand]: 213/239 looper letters, 893 selfloop transitions, 1187 changer transitions 20/2232 dead transitions. [2021-11-22 15:19:45,705 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 611 places, 2232 transitions, 26175 flow [2021-11-22 15:19:45,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-11-22 15:19:45,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2021-11-22 15:19:45,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 15459 transitions. [2021-11-22 15:19:45,951 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6955054663247402 [2021-11-22 15:19:45,951 INFO L72 ComplementDD]: Start complementDD. Operand 93 states and 15459 transitions. [2021-11-22 15:19:45,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 93 states and 15459 transitions. [2021-11-22 15:19:45,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:19:45,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 93 states and 15459 transitions. [2021-11-22 15:19:45,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 94 states, 93 states have (on average 166.2258064516129) internal successors, (15459), 93 states have internal predecessors, (15459), 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) [2021-11-22 15:19:46,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 94 states, 94 states have (on average 239.0) internal successors, (22466), 94 states have internal predecessors, (22466), 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) [2021-11-22 15:19:46,025 INFO L81 ComplementDD]: Finished complementDD. Result has 94 states, 94 states have (on average 239.0) internal successors, (22466), 94 states have internal predecessors, (22466), 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) [2021-11-22 15:19:46,025 INFO L186 Difference]: Start difference. First operand has 522 places, 1317 transitions, 12345 flow. Second operand 93 states and 15459 transitions. [2021-11-22 15:19:46,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 611 places, 2232 transitions, 26175 flow [2021-11-22 15:19:48,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 606 places, 2232 transitions, 25273 flow, removed 446 selfloop flow, removed 5 redundant places. [2021-11-22 15:19:48,177 INFO L242 Difference]: Finished difference. Result has 632 places, 1925 transitions, 23442 flow [2021-11-22 15:19:48,179 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=11625, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=627, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=650, PETRI_DIFFERENCE_SUBTRAHEND_STATES=93, PETRI_FLOW=23442, PETRI_PLACES=632, PETRI_TRANSITIONS=1925} [2021-11-22 15:19:48,179 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 423 predicate places. [2021-11-22 15:19:48,180 INFO L470 AbstractCegarLoop]: Abstraction has has 632 places, 1925 transitions, 23442 flow [2021-11-22 15:19:48,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 161.22222222222223) internal successors, (4353), 27 states have internal predecessors, (4353), 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) [2021-11-22 15:19:48,180 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:19:48,181 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, 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] [2021-11-22 15:19:48,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 15:19:48,181 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-22 15:19:48,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:19:48,181 INFO L85 PathProgramCache]: Analyzing trace with hash 95528396, now seen corresponding path program 9 times [2021-11-22 15:19:48,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:19:48,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587115140] [2021-11-22 15:19:48,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:19:48,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:19:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:19:48,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:19:48,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:19:48,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587115140] [2021-11-22 15:19:48,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587115140] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:19:48,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:19:48,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-11-22 15:19:48,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042915022] [2021-11-22 15:19:48,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:19:48,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-22 15:19:48,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:19:48,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-22 15:19:48,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-11-22 15:19:48,846 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2021-11-22 15:19:48,850 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 632 places, 1925 transitions, 23442 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 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) [2021-11-22 15:19:48,850 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:19:48,850 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2021-11-22 15:19:48,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 15:20:02,212 INFO L129 PetriNetUnfolder]: 12731/24697 cut-off events. [2021-11-22 15:20:02,212 INFO L130 PetriNetUnfolder]: For 190077/190127 co-relation queries the response was YES. [2021-11-22 15:20:02,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112594 conditions, 24697 events. 12731/24697 cut-off events. For 190077/190127 co-relation queries the response was YES. Maximal size of possible extension queue 678. Compared 209695 event pairs, 3073 based on Foata normal form. 9/22931 useless extension candidates. Maximal degree in co-relation 112395. Up to 11354 conditions per place. [2021-11-22 15:20:03,070 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 1070 selfloop transitions, 1095 changer transitions 20/2324 dead transitions. [2021-11-22 15:20:03,070 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 666 places, 2324 transitions, 31847 flow [2021-11-22 15:20:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-22 15:20:03,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-11-22 15:20:03,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 6706 transitions. [2021-11-22 15:20:03,081 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.719450702714301 [2021-11-22 15:20:03,081 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 6706 transitions. [2021-11-22 15:20:03,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 6706 transitions. [2021-11-22 15:20:03,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 15:20:03,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 6706 transitions. [2021-11-22 15:20:03,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 171.94871794871796) internal successors, (6706), 39 states have internal predecessors, (6706), 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) [2021-11-22 15:20:03,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 239.0) internal successors, (9560), 40 states have internal predecessors, (9560), 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) [2021-11-22 15:20:03,111 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 239.0) internal successors, (9560), 40 states have internal predecessors, (9560), 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) [2021-11-22 15:20:03,111 INFO L186 Difference]: Start difference. First operand has 632 places, 1925 transitions, 23442 flow. Second operand 39 states and 6706 transitions. [2021-11-22 15:20:03,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 666 places, 2324 transitions, 31847 flow [2021-11-22 15:20:07,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 661 places, 2324 transitions, 29209 flow, removed 1317 selfloop flow, removed 5 redundant places. [2021-11-22 15:20:07,452 INFO L242 Difference]: Finished difference. Result has 676 places, 2117 transitions, 26018 flow [2021-11-22 15:20:07,455 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=20872, PETRI_DIFFERENCE_MINUEND_PLACES=623, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1925, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=915, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=986, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=26018, PETRI_PLACES=676, PETRI_TRANSITIONS=2117} [2021-11-22 15:20:07,455 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 467 predicate places. [2021-11-22 15:20:07,456 INFO L470 AbstractCegarLoop]: Abstraction has has 676 places, 2117 transitions, 26018 flow [2021-11-22 15:20:07,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 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) [2021-11-22 15:20:07,456 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 15:20:07,457 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, 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] [2021-11-22 15:20:07,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 15:20:07,457 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-22 15:20:07,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:20:07,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1634068852, now seen corresponding path program 10 times [2021-11-22 15:20:07,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:20:07,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966505415] [2021-11-22 15:20:07,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:20:07,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:20:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:20:08,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:20:08,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:20:08,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966505415] [2021-11-22 15:20:08,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966505415] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:20:08,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:20:08,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-11-22 15:20:08,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573409793] [2021-11-22 15:20:08,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:20:08,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-22 15:20:08,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:20:08,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-22 15:20:08,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-11-22 15:20:08,168 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2021-11-22 15:20:08,172 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 676 places, 2117 transitions, 26018 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 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) [2021-11-22 15:20:08,172 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 15:20:08,172 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2021-11-22 15:20:08,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand