/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 04:36:41,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 04:36:41,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 04:36:41,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 04:36:41,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 04:36:41,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 04:36:41,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 04:36:41,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 04:36:41,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 04:36:41,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 04:36:41,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 04:36:41,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 04:36:41,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 04:36:41,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 04:36:41,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 04:36:41,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 04:36:41,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 04:36:41,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 04:36:41,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 04:36:41,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 04:36:41,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 04:36:41,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 04:36:41,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 04:36:41,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 04:36:41,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 04:36:41,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 04:36:41,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 04:36:41,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 04:36:41,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 04:36:41,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 04:36:41,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 04:36:41,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 04:36:41,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 04:36:41,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 04:36:41,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 04:36:41,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 04:36:41,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 04:36:41,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 04:36:41,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 04:36:41,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 04:36:41,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 04:36:41,977 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 04:36:42,010 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 04:36:42,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 04:36:42,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 04:36:42,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 04:36:42,012 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 04:36:42,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 04:36:42,013 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 04:36:42,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 04:36:42,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 04:36:42,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 04:36:42,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 04:36:42,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 04:36:42,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 04:36:42,014 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 04:36:42,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 04:36:42,015 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 04:36:42,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 04:36:42,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 04:36:42,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 04:36:42,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 04:36:42,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 04:36:42,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:36:42,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 04:36:42,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 04:36:42,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 04:36:42,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 04:36:42,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 04:36:42,016 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 04:36:42,016 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 04:36:42,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 04:36:42,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 04:36:42,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 04:36:42,311 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 04:36:42,311 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 04:36:42,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2022-12-06 04:36:43,382 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 04:36:43,823 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 04:36:43,825 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_3-container_of.i [2022-12-06 04:36:43,852 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3ff1d47f/54d0e879772f4545a20d5f3ec71845d5/FLAG284f29991 [2022-12-06 04:36:43,872 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3ff1d47f/54d0e879772f4545a20d5f3ec71845d5 [2022-12-06 04:36:43,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 04:36:43,875 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 04:36:43,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 04:36:43,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 04:36:43,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 04:36:43,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:36:43" (1/1) ... [2022-12-06 04:36:43,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac7c1d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:43, skipping insertion in model container [2022-12-06 04:36:43,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:36:43" (1/1) ... [2022-12-06 04:36:43,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 04:36:43,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 04:36:44,091 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-06 04:36:44,506 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_3-container_of.i[75002,75015] [2022-12-06 04:36:44,513 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:44,513 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:44,513 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:44,515 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:44,515 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:44,515 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:44,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:44,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:44,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:44,535 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:44,535 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:44,536 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:44,536 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:44,536 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:44,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:36:44,558 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 04:36:44,569 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-06 04:36:44,602 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_3-container_of.i[75002,75015] [2022-12-06 04:36:44,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:44,607 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:44,607 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:44,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:44,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:44,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:44,613 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:44,613 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:44,613 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:44,614 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:44,614 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:44,615 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:44,615 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:36:44,616 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:36:44,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:36:44,705 INFO L208 MainTranslator]: Completed translation [2022-12-06 04:36:44,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:44 WrapperNode [2022-12-06 04:36:44,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 04:36:44,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 04:36:44,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 04:36:44,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 04:36:44,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:44" (1/1) ... [2022-12-06 04:36:44,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:44" (1/1) ... [2022-12-06 04:36:44,766 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 143 [2022-12-06 04:36:44,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 04:36:44,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 04:36:44,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 04:36:44,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 04:36:44,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:44" (1/1) ... [2022-12-06 04:36:44,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:44" (1/1) ... [2022-12-06 04:36:44,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:44" (1/1) ... [2022-12-06 04:36:44,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:44" (1/1) ... [2022-12-06 04:36:44,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:44" (1/1) ... [2022-12-06 04:36:44,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:44" (1/1) ... [2022-12-06 04:36:44,804 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:44" (1/1) ... [2022-12-06 04:36:44,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:44" (1/1) ... [2022-12-06 04:36:44,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 04:36:44,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 04:36:44,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 04:36:44,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 04:36:44,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:44" (1/1) ... [2022-12-06 04:36:44,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:36:44,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 04:36:44,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 04:36:44,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 04:36:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 04:36:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 04:36:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 04:36:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 04:36:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 04:36:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 04:36:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-06 04:36:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 04:36:44,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 04:36:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-12-06 04:36:44,890 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-12-06 04:36:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 04:36:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 04:36:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 04:36:44,891 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 04:36:45,132 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 04:36:45,134 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 04:36:45,353 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 04:36:45,383 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 04:36:45,383 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 04:36:45,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:36:45 BoogieIcfgContainer [2022-12-06 04:36:45,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 04:36:45,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 04:36:45,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 04:36:45,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 04:36:45,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:36:43" (1/3) ... [2022-12-06 04:36:45,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f120ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:36:45, skipping insertion in model container [2022-12-06 04:36:45,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:44" (2/3) ... [2022-12-06 04:36:45,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f120ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:36:45, skipping insertion in model container [2022-12-06 04:36:45,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:36:45" (3/3) ... [2022-12-06 04:36:45,390 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2022-12-06 04:36:45,402 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 04:36:45,402 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-06 04:36:45,403 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 04:36:45,442 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 04:36:45,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 158 transitions, 332 flow [2022-12-06 04:36:45,522 INFO L130 PetriNetUnfolder]: 8/196 cut-off events. [2022-12-06 04:36:45,522 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 04:36:45,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 196 events. 8/196 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 340 event pairs, 0 based on Foata normal form. 0/178 useless extension candidates. Maximal degree in co-relation 103. Up to 4 conditions per place. [2022-12-06 04:36:45,526 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 158 transitions, 332 flow [2022-12-06 04:36:45,529 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 146 transitions, 304 flow [2022-12-06 04:36:45,530 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:36:45,542 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 146 transitions, 304 flow [2022-12-06 04:36:45,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 148 places, 146 transitions, 304 flow [2022-12-06 04:36:45,588 INFO L130 PetriNetUnfolder]: 5/177 cut-off events. [2022-12-06 04:36:45,588 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 04:36:45,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 177 events. 5/177 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 288 event pairs, 0 based on Foata normal form. 0/164 useless extension candidates. Maximal degree in co-relation 93. Up to 4 conditions per place. [2022-12-06 04:36:45,593 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 146 transitions, 304 flow [2022-12-06 04:36:45,593 INFO L188 LiptonReduction]: Number of co-enabled transitions 2704 [2022-12-06 04:36:50,085 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:36:50,086 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:36:50,088 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:36:50,088 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:36:50,395 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:36:50,396 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:36:50,399 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:36:50,399 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:36:50,626 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:36:50,627 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:36:50,628 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:36:50,629 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:36:57,782 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:36:57,783 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:36:57,785 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:36:57,785 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:02,445 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:02,450 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:02,454 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:02,455 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:14,555 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:14,556 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 04:37:14,560 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:14,560 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:14,563 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:14,564 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 04:37:14,567 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:14,568 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:15,207 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:15,208 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:15,209 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:15,209 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:17,495 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:17,497 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:17,499 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:17,500 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:17,636 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:17,637 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:17,643 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:17,644 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:19,105 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:19,106 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:19,107 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:19,108 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:19,205 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:19,206 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:19,209 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:19,210 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:19,215 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:19,215 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:37:19,218 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:19,219 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:19,221 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:19,221 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:37:19,223 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:19,224 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:19,229 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:19,230 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:37:19,234 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:19,234 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:19,239 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:19,240 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:37:19,242 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:19,242 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:20,665 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:20,666 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:37:20,669 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:20,669 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:20,671 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:20,672 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:37:20,673 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:20,674 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:20,679 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:20,680 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:20,682 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:20,683 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:20,685 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:20,685 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:37:20,688 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:20,688 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:20,690 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:20,690 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:37:20,692 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:20,692 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:44,209 INFO L203 LiptonReduction]: Total number of compositions: 113 [2022-12-06 04:37:44,220 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 04:37:44,224 INFO L357 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=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b5d37f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 04:37:44,224 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-06 04:37:44,226 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2022-12-06 04:37:44,227 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:37:44,227 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:37:44,227 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-06 04:37:44,227 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 04:37:44,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:37:44,230 INFO L85 PathProgramCache]: Analyzing trace with hash 567356, now seen corresponding path program 1 times [2022-12-06 04:37:44,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:37:44,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945986476] [2022-12-06 04:37:44,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:37:44,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:37:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:37:44,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:37:44,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:37:44,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945986476] [2022-12-06 04:37:44,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945986476] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:37:44,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:37:44,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 04:37:44,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107434536] [2022-12-06 04:37:44,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:37:44,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 04:37:44,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:37:44,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 04:37:44,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 04:37:44,541 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2022-12-06 04:37:44,542 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 38 transitions, 88 flow. Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:37:44,542 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:37:44,543 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2022-12-06 04:37:44,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:37:44,768 INFO L130 PetriNetUnfolder]: 529/978 cut-off events. [2022-12-06 04:37:44,768 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-12-06 04:37:44,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1894 conditions, 978 events. 529/978 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5609 event pairs, 528 based on Foata normal form. 31/744 useless extension candidates. Maximal degree in co-relation 1814. Up to 893 conditions per place. [2022-12-06 04:37:44,776 INFO L137 encePairwiseOnDemand]: 37/38 looper letters, 31 selfloop transitions, 0 changer transitions 0/37 dead transitions. [2022-12-06 04:37:44,776 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 37 transitions, 148 flow [2022-12-06 04:37:44,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 04:37:44,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 04:37:44,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 44 transitions. [2022-12-06 04:37:44,785 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5789473684210527 [2022-12-06 04:37:44,786 INFO L175 Difference]: Start difference. First operand has 42 places, 38 transitions, 88 flow. Second operand 2 states and 44 transitions. [2022-12-06 04:37:44,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 37 transitions, 148 flow [2022-12-06 04:37:44,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 37 transitions, 140 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-06 04:37:44,790 INFO L231 Difference]: Finished difference. Result has 39 places, 37 transitions, 78 flow [2022-12-06 04:37:44,792 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=78, PETRI_PLACES=39, PETRI_TRANSITIONS=37} [2022-12-06 04:37:44,795 INFO L294 CegarLoopForPetriNet]: 42 programPoint places, -3 predicate places. [2022-12-06 04:37:44,795 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:37:44,796 INFO L89 Accepts]: Start accepts. Operand has 39 places, 37 transitions, 78 flow [2022-12-06 04:37:44,798 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:37:44,798 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:37:44,798 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 37 transitions, 78 flow [2022-12-06 04:37:44,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 37 transitions, 78 flow [2022-12-06 04:37:44,807 INFO L130 PetriNetUnfolder]: 1/43 cut-off events. [2022-12-06 04:37:44,808 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:37:44,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 43 events. 1/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 90 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 04:37:44,808 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 37 transitions, 78 flow [2022-12-06 04:37:44,809 INFO L188 LiptonReduction]: Number of co-enabled transitions 420 [2022-12-06 04:37:44,826 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:44,828 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:44,829 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:37:44,830 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:37:47,297 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 04:37:47,299 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2504 [2022-12-06 04:37:47,299 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 36 transitions, 76 flow [2022-12-06 04:37:47,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:37:47,299 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:37:47,299 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-06 04:37:47,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 04:37:47,299 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 04:37:47,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:37:47,300 INFO L85 PathProgramCache]: Analyzing trace with hash 17582795, now seen corresponding path program 1 times [2022-12-06 04:37:47,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:37:47,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189665467] [2022-12-06 04:37:47,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:37:47,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:37:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:37:47,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:37:47,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:37:47,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189665467] [2022-12-06 04:37:47,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189665467] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:37:47,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:37:47,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:37:47,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869818135] [2022-12-06 04:37:47,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:37:47,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:37:47,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:37:47,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:37:47,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:37:47,519 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 36 [2022-12-06 04:37:47,519 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 36 transitions, 76 flow. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:37:47,520 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:37:47,520 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 36 [2022-12-06 04:37:47,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:37:47,815 INFO L130 PetriNetUnfolder]: 1281/2114 cut-off events. [2022-12-06 04:37:47,815 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 04:37:47,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4238 conditions, 2114 events. 1281/2114 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 10829 event pairs, 834 based on Foata normal form. 0/1710 useless extension candidates. Maximal degree in co-relation 365. Up to 1690 conditions per place. [2022-12-06 04:37:47,824 INFO L137 encePairwiseOnDemand]: 29/36 looper letters, 45 selfloop transitions, 6 changer transitions 0/51 dead transitions. [2022-12-06 04:37:47,824 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 51 transitions, 208 flow [2022-12-06 04:37:47,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:37:47,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:37:47,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2022-12-06 04:37:47,828 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.48148148148148145 [2022-12-06 04:37:47,828 INFO L175 Difference]: Start difference. First operand has 37 places, 36 transitions, 76 flow. Second operand 3 states and 52 transitions. [2022-12-06 04:37:47,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 51 transitions, 208 flow [2022-12-06 04:37:47,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 51 transitions, 208 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-06 04:37:47,829 INFO L231 Difference]: Finished difference. Result has 40 places, 40 transitions, 112 flow [2022-12-06 04:37:47,830 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=40, PETRI_TRANSITIONS=40} [2022-12-06 04:37:47,830 INFO L294 CegarLoopForPetriNet]: 42 programPoint places, -2 predicate places. [2022-12-06 04:37:47,830 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:37:47,830 INFO L89 Accepts]: Start accepts. Operand has 40 places, 40 transitions, 112 flow [2022-12-06 04:37:47,831 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:37:47,831 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:37:47,831 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 40 transitions, 112 flow [2022-12-06 04:37:47,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 40 transitions, 112 flow [2022-12-06 04:37:47,841 INFO L130 PetriNetUnfolder]: 29/138 cut-off events. [2022-12-06 04:37:47,841 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-12-06 04:37:47,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 138 events. 29/138 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 663 event pairs, 16 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 63. Up to 53 conditions per place. [2022-12-06 04:37:47,842 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 40 transitions, 112 flow [2022-12-06 04:37:47,842 INFO L188 LiptonReduction]: Number of co-enabled transitions 452 [2022-12-06 04:37:52,328 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:37:52,329 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4499 [2022-12-06 04:37:52,329 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 40 transitions, 112 flow [2022-12-06 04:37:52,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:37:52,329 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:37:52,329 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-06 04:37:52,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 04:37:52,329 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 04:37:52,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:37:52,330 INFO L85 PathProgramCache]: Analyzing trace with hash 545065973, now seen corresponding path program 1 times [2022-12-06 04:37:52,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:37:52,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441327203] [2022-12-06 04:37:52,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:37:52,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:37:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:37:52,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:37:52,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:37:52,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441327203] [2022-12-06 04:37:52,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441327203] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:37:52,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:37:52,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:37:52,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059829840] [2022-12-06 04:37:52,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:37:52,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:37:52,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:37:52,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:37:52,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:37:52,569 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 36 [2022-12-06 04:37:52,569 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 40 transitions, 112 flow. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:37:52,569 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:37:52,569 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 36 [2022-12-06 04:37:52,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:37:52,807 INFO L130 PetriNetUnfolder]: 1355/2258 cut-off events. [2022-12-06 04:37:52,808 INFO L131 PetriNetUnfolder]: For 416/416 co-relation queries the response was YES. [2022-12-06 04:37:52,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5237 conditions, 2258 events. 1355/2258 cut-off events. For 416/416 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 12001 event pairs, 910 based on Foata normal form. 90/2025 useless extension candidates. Maximal degree in co-relation 2416. Up to 1795 conditions per place. [2022-12-06 04:37:52,817 INFO L137 encePairwiseOnDemand]: 30/36 looper letters, 47 selfloop transitions, 9 changer transitions 2/58 dead transitions. [2022-12-06 04:37:52,817 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 58 transitions, 286 flow [2022-12-06 04:37:52,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:37:52,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:37:52,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2022-12-06 04:37:52,819 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4722222222222222 [2022-12-06 04:37:52,820 INFO L175 Difference]: Start difference. First operand has 40 places, 40 transitions, 112 flow. Second operand 3 states and 51 transitions. [2022-12-06 04:37:52,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 58 transitions, 286 flow [2022-12-06 04:37:52,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 58 transitions, 276 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 04:37:52,826 INFO L231 Difference]: Finished difference. Result has 42 places, 46 transitions, 177 flow [2022-12-06 04:37:52,826 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=177, PETRI_PLACES=42, PETRI_TRANSITIONS=46} [2022-12-06 04:37:52,827 INFO L294 CegarLoopForPetriNet]: 42 programPoint places, 0 predicate places. [2022-12-06 04:37:52,827 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:37:52,827 INFO L89 Accepts]: Start accepts. Operand has 42 places, 46 transitions, 177 flow [2022-12-06 04:37:52,827 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:37:52,827 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:37:52,828 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 46 transitions, 177 flow [2022-12-06 04:37:52,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 46 transitions, 177 flow [2022-12-06 04:37:52,844 INFO L130 PetriNetUnfolder]: 72/214 cut-off events. [2022-12-06 04:37:52,844 INFO L131 PetriNetUnfolder]: For 96/98 co-relation queries the response was YES. [2022-12-06 04:37:52,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 494 conditions, 214 events. 72/214 cut-off events. For 96/98 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1086 event pairs, 16 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 165. Up to 113 conditions per place. [2022-12-06 04:37:52,845 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 46 transitions, 177 flow [2022-12-06 04:37:52,846 INFO L188 LiptonReduction]: Number of co-enabled transitions 484 [2022-12-06 04:37:59,399 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:37:59,400 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 6573 [2022-12-06 04:37:59,400 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 46 transitions, 177 flow [2022-12-06 04:37:59,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:37:59,400 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:37:59,401 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:37:59,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 04:37:59,401 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 04:37:59,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:37:59,401 INFO L85 PathProgramCache]: Analyzing trace with hash 230682413, now seen corresponding path program 1 times [2022-12-06 04:37:59,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:37:59,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144526200] [2022-12-06 04:37:59,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:37:59,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:37:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:37:59,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:37:59,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:37:59,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144526200] [2022-12-06 04:37:59,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144526200] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:37:59,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:37:59,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:37:59,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875258224] [2022-12-06 04:37:59,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:37:59,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:37:59,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:37:59,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:37:59,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:37:59,661 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 34 [2022-12-06 04:37:59,661 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 46 transitions, 177 flow. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:37:59,661 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:37:59,661 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 34 [2022-12-06 04:37:59,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:37:59,913 INFO L130 PetriNetUnfolder]: 1745/2881 cut-off events. [2022-12-06 04:37:59,914 INFO L131 PetriNetUnfolder]: For 1468/1468 co-relation queries the response was YES. [2022-12-06 04:37:59,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7439 conditions, 2881 events. 1745/2881 cut-off events. For 1468/1468 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 15692 event pairs, 848 based on Foata normal form. 0/2485 useless extension candidates. Maximal degree in co-relation 4747. Up to 2201 conditions per place. [2022-12-06 04:37:59,925 INFO L137 encePairwiseOnDemand]: 25/34 looper letters, 58 selfloop transitions, 8 changer transitions 0/66 dead transitions. [2022-12-06 04:37:59,925 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 66 transitions, 368 flow [2022-12-06 04:37:59,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:37:59,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:37:59,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2022-12-06 04:37:59,927 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5392156862745098 [2022-12-06 04:37:59,927 INFO L175 Difference]: Start difference. First operand has 42 places, 46 transitions, 177 flow. Second operand 3 states and 55 transitions. [2022-12-06 04:37:59,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 66 transitions, 368 flow [2022-12-06 04:37:59,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 66 transitions, 359 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 04:37:59,935 INFO L231 Difference]: Finished difference. Result has 45 places, 53 transitions, 248 flow [2022-12-06 04:37:59,935 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=45, PETRI_TRANSITIONS=53} [2022-12-06 04:37:59,936 INFO L294 CegarLoopForPetriNet]: 42 programPoint places, 3 predicate places. [2022-12-06 04:37:59,936 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:37:59,936 INFO L89 Accepts]: Start accepts. Operand has 45 places, 53 transitions, 248 flow [2022-12-06 04:37:59,937 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:37:59,937 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:37:59,937 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 53 transitions, 248 flow [2022-12-06 04:37:59,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 53 transitions, 248 flow [2022-12-06 04:37:59,960 INFO L130 PetriNetUnfolder]: 131/361 cut-off events. [2022-12-06 04:37:59,960 INFO L131 PetriNetUnfolder]: For 347/351 co-relation queries the response was YES. [2022-12-06 04:37:59,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 948 conditions, 361 events. 131/361 cut-off events. For 347/351 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2018 event pairs, 25 based on Foata normal form. 0/347 useless extension candidates. Maximal degree in co-relation 176. Up to 169 conditions per place. [2022-12-06 04:37:59,962 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 53 transitions, 248 flow [2022-12-06 04:37:59,962 INFO L188 LiptonReduction]: Number of co-enabled transitions 564 [2022-12-06 04:38:04,375 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:38:04,376 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4440 [2022-12-06 04:38:04,376 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 53 transitions, 248 flow [2022-12-06 04:38:04,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:38:04,376 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:38:04,376 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:38:04,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 04:38:04,376 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 04:38:04,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:38:04,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1438779456, now seen corresponding path program 1 times [2022-12-06 04:38:04,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:38:04,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886078550] [2022-12-06 04:38:04,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:38:04,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:38:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:38:04,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:38:04,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:38:04,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886078550] [2022-12-06 04:38:04,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886078550] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:38:04,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:38:04,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:38:04,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062768910] [2022-12-06 04:38:04,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:38:04,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:38:04,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:38:04,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:38:04,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:38:04,565 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 34 [2022-12-06 04:38:04,565 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 53 transitions, 248 flow. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:38:04,565 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:38:04,565 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 34 [2022-12-06 04:38:04,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:38:04,886 INFO L130 PetriNetUnfolder]: 2070/3404 cut-off events. [2022-12-06 04:38:04,886 INFO L131 PetriNetUnfolder]: For 3880/3880 co-relation queries the response was YES. [2022-12-06 04:38:04,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9973 conditions, 3404 events. 2070/3404 cut-off events. For 3880/3880 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 19106 event pairs, 1012 based on Foata normal form. 0/3022 useless extension candidates. Maximal degree in co-relation 728. Up to 2547 conditions per place. [2022-12-06 04:38:04,901 INFO L137 encePairwiseOnDemand]: 25/34 looper letters, 62 selfloop transitions, 14 changer transitions 0/76 dead transitions. [2022-12-06 04:38:04,901 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 76 transitions, 515 flow [2022-12-06 04:38:04,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:38:04,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:38:04,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2022-12-06 04:38:04,903 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5294117647058824 [2022-12-06 04:38:04,903 INFO L175 Difference]: Start difference. First operand has 45 places, 53 transitions, 248 flow. Second operand 3 states and 54 transitions. [2022-12-06 04:38:04,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 76 transitions, 515 flow [2022-12-06 04:38:04,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 76 transitions, 457 flow, removed 16 selfloop flow, removed 2 redundant places. [2022-12-06 04:38:04,907 INFO L231 Difference]: Finished difference. Result has 47 places, 64 transitions, 356 flow [2022-12-06 04:38:04,908 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=356, PETRI_PLACES=47, PETRI_TRANSITIONS=64} [2022-12-06 04:38:04,908 INFO L294 CegarLoopForPetriNet]: 42 programPoint places, 5 predicate places. [2022-12-06 04:38:04,908 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:38:04,908 INFO L89 Accepts]: Start accepts. Operand has 47 places, 64 transitions, 356 flow [2022-12-06 04:38:04,909 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:38:04,909 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:38:04,909 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 64 transitions, 356 flow [2022-12-06 04:38:04,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 47 places, 64 transitions, 356 flow [2022-12-06 04:38:04,946 INFO L130 PetriNetUnfolder]: 238/552 cut-off events. [2022-12-06 04:38:04,947 INFO L131 PetriNetUnfolder]: For 961/968 co-relation queries the response was YES. [2022-12-06 04:38:04,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1724 conditions, 552 events. 238/552 cut-off events. For 961/968 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 3167 event pairs, 23 based on Foata normal form. 0/532 useless extension candidates. Maximal degree in co-relation 297. Up to 263 conditions per place. [2022-12-06 04:38:04,950 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 64 transitions, 356 flow [2022-12-06 04:38:04,950 INFO L188 LiptonReduction]: Number of co-enabled transitions 624 [2022-12-06 04:38:05,052 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 04:38:05,055 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 147 [2022-12-06 04:38:05,055 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 64 transitions, 360 flow [2022-12-06 04:38:05,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:38:05,055 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:38:05,055 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:38:05,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 04:38:05,055 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-06 04:38:05,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:38:05,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1993503145, now seen corresponding path program 1 times [2022-12-06 04:38:05,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:38:05,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297084696] [2022-12-06 04:38:05,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:38:05,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:38:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 04:38:05,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-06 04:38:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-06 04:38:05,163 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-06 04:38:05,163 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-06 04:38:05,164 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2022-12-06 04:38:05,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2022-12-06 04:38:05,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2022-12-06 04:38:05,165 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2022-12-06 04:38:05,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2022-12-06 04:38:05,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2022-12-06 04:38:05,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2022-12-06 04:38:05,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2022-12-06 04:38:05,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 04:38:05,166 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-06 04:38:05,171 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 04:38:05,171 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 04:38:05,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:38:05 BasicIcfg [2022-12-06 04:38:05,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 04:38:05,216 INFO L158 Benchmark]: Toolchain (without parser) took 81339.18ms. Allocated memory was 202.4MB in the beginning and 281.0MB in the end (delta: 78.6MB). Free memory was 175.5MB in the beginning and 91.0MB in the end (delta: 84.5MB). Peak memory consumption was 164.1MB. Max. memory is 8.0GB. [2022-12-06 04:38:05,216 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 202.4MB. Free memory was 179.4MB in the beginning and 179.3MB in the end (delta: 86.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 04:38:05,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 831.02ms. Allocated memory is still 202.4MB. Free memory was 175.0MB in the beginning and 119.9MB in the end (delta: 55.1MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. [2022-12-06 04:38:05,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.36ms. Allocated memory is still 202.4MB. Free memory was 119.4MB in the beginning and 116.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 04:38:05,217 INFO L158 Benchmark]: Boogie Preprocessor took 42.19ms. Allocated memory is still 202.4MB. Free memory was 116.2MB in the beginning and 113.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 04:38:05,217 INFO L158 Benchmark]: RCFGBuilder took 575.35ms. Allocated memory was 202.4MB in the beginning and 281.0MB in the end (delta: 78.6MB). Free memory was 113.6MB in the beginning and 242.4MB in the end (delta: -128.8MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. [2022-12-06 04:38:05,217 INFO L158 Benchmark]: TraceAbstraction took 79827.60ms. Allocated memory is still 281.0MB. Free memory was 241.9MB in the beginning and 91.0MB in the end (delta: 150.9MB). Peak memory consumption was 151.4MB. Max. memory is 8.0GB. [2022-12-06 04:38:05,219 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 202.4MB. Free memory was 179.4MB in the beginning and 179.3MB in the end (delta: 86.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 831.02ms. Allocated memory is still 202.4MB. Free memory was 175.0MB in the beginning and 119.9MB in the end (delta: 55.1MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.36ms. Allocated memory is still 202.4MB. Free memory was 119.4MB in the beginning and 116.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.19ms. Allocated memory is still 202.4MB. Free memory was 116.2MB in the beginning and 113.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 575.35ms. Allocated memory was 202.4MB in the beginning and 281.0MB in the end (delta: 78.6MB). Free memory was 113.6MB in the beginning and 242.4MB in the end (delta: -128.8MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. * TraceAbstraction took 79827.60ms. Allocated memory is still 281.0MB. Free memory was 241.9MB in the beginning and 91.0MB in the end (delta: 150.9MB). Peak memory consumption was 151.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58.6s, 148 PlacesBefore, 42 PlacesAfterwards, 146 TransitionsBefore, 38 TransitionsAfterwards, 2704 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 60 TrivialYvCompositions, 49 ConcurrentYvCompositions, 2 ChoiceCompositions, 113 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1972, independent: 1850, independent conditional: 1850, independent unconditional: 0, dependent: 69, dependent conditional: 69, dependent unconditional: 0, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1972, independent: 1850, independent conditional: 0, independent unconditional: 1850, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 53, unknown conditional: 0, unknown unconditional: 53] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1972, independent: 1850, independent conditional: 0, independent unconditional: 1850, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 53, unknown conditional: 0, unknown unconditional: 53] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1972, independent: 1850, independent conditional: 0, independent unconditional: 1850, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 53, unknown conditional: 0, unknown unconditional: 53] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1560, independent: 1505, independent conditional: 0, independent unconditional: 1505, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1560, independent: 1497, independent conditional: 0, independent unconditional: 1497, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 63, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48714, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 696, dependent conditional: 0, dependent unconditional: 696, unknown: 47790, unknown conditional: 0, unknown unconditional: 47790] ], Cache Queries: [ total: 1972, independent: 345, independent conditional: 0, independent unconditional: 345, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 1591, unknown conditional: 0, unknown unconditional: 1591] , Statistics on independence cache: Total cache size (in pairs): 2934, Positive cache size: 2901, Positive conditional cache size: 0, Positive unconditional cache size: 2901, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Unknown cache size: 22, Unknown conditional cache size: 0, Unknown unconditional cache size: 22, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 38 PlacesBefore, 37 PlacesAfterwards, 37 TransitionsBefore, 36 TransitionsAfterwards, 420 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 194, independent: 120, independent conditional: 120, independent unconditional: 0, dependent: 72, dependent conditional: 72, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 194, independent: 120, independent conditional: 0, independent unconditional: 120, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 194, independent: 120, independent conditional: 0, independent unconditional: 120, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 194, independent: 120, independent conditional: 0, independent unconditional: 120, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 89, independent: 59, independent conditional: 0, independent unconditional: 59, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 89, independent: 55, independent conditional: 0, independent unconditional: 55, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2294, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 144, dependent conditional: 0, dependent unconditional: 144, unknown: 2143, unknown conditional: 0, unknown unconditional: 2143] ], Cache Queries: [ total: 194, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 90, unknown conditional: 0, unknown unconditional: 90] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 59, Positive conditional cache size: 0, Positive unconditional cache size: 59, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.5s, 40 PlacesBefore, 40 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 452 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 160, independent: 130, independent conditional: 130, independent unconditional: 0, dependent: 25, dependent conditional: 25, dependent unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 160, independent: 130, independent conditional: 8, independent unconditional: 122, dependent: 25, dependent conditional: 3, dependent unconditional: 22, unknown: 5, unknown conditional: 4, unknown unconditional: 1] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 160, independent: 130, independent conditional: 8, independent unconditional: 122, dependent: 25, dependent conditional: 3, dependent unconditional: 22, unknown: 5, unknown conditional: 4, unknown unconditional: 1] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 160, independent: 130, independent conditional: 8, independent unconditional: 122, dependent: 25, dependent conditional: 3, dependent unconditional: 22, unknown: 5, unknown conditional: 4, unknown unconditional: 1] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 25, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 4, dependent conditional: 3, dependent unconditional: 1, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 25, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 3, dependent unconditional: 1, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4482, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 120, dependent conditional: 93, dependent unconditional: 27, unknown: 4362, unknown conditional: 4362, unknown unconditional: 0] ], Cache Queries: [ total: 160, independent: 111, independent conditional: 8, independent unconditional: 103, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 28, unknown conditional: 7, unknown unconditional: 21] , Statistics on independence cache: Total cache size (in pairs): 111, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 33, Negative conditional cache size: 3, Negative unconditional cache size: 30, Unknown cache size: 3, Unknown conditional cache size: 2, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.6s, 42 PlacesBefore, 42 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 210, independent: 164, independent conditional: 164, independent unconditional: 0, dependent: 41, dependent conditional: 41, dependent unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 210, independent: 164, independent conditional: 8, independent unconditional: 156, dependent: 41, dependent conditional: 2, dependent unconditional: 39, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 212, independent: 164, independent conditional: 8, independent unconditional: 156, dependent: 43, dependent conditional: 4, dependent unconditional: 39, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 212, independent: 164, independent conditional: 8, independent unconditional: 156, dependent: 43, dependent conditional: 4, dependent unconditional: 39, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 4, dependent unconditional: 1, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 4, dependent unconditional: 1, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6549, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 83, dependent conditional: 81, dependent unconditional: 1, unknown: 6466, unknown conditional: 0, unknown unconditional: 6466] ], Cache Queries: [ total: 212, independent: 163, independent conditional: 8, independent unconditional: 155, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 11, unknown conditional: 4, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 117, Positive cache size: 79, Positive conditional cache size: 0, Positive unconditional cache size: 79, Negative cache size: 38, Negative conditional cache size: 7, Negative unconditional cache size: 31, Unknown cache size: 6, Unknown conditional cache size: 2, Unknown unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.4s, 45 PlacesBefore, 45 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 564 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 204, independent: 167, independent conditional: 167, independent unconditional: 0, dependent: 33, dependent conditional: 33, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 204, independent: 167, independent conditional: 20, independent unconditional: 147, dependent: 33, dependent conditional: 12, dependent unconditional: 21, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 206, independent: 167, independent conditional: 20, independent unconditional: 147, dependent: 35, dependent conditional: 14, dependent unconditional: 21, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 206, independent: 167, independent conditional: 20, independent unconditional: 147, dependent: 35, dependent conditional: 14, dependent unconditional: 21, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 9, dependent conditional: 6, dependent unconditional: 3, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 21, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 6, dependent unconditional: 3, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4407, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 97, dependent conditional: 92, dependent unconditional: 5, unknown: 4310, unknown conditional: 4310, unknown unconditional: 0] ], Cache Queries: [ total: 206, independent: 157, independent conditional: 20, independent unconditional: 137, dependent: 26, dependent conditional: 8, dependent unconditional: 18, unknown: 23, unknown conditional: 10, unknown unconditional: 13] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 47, Negative conditional cache size: 13, Negative unconditional cache size: 34, Unknown cache size: 8, Unknown conditional cache size: 4, Unknown unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 47 PlacesBefore, 47 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 624 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 602, independent: 515, independent conditional: 515, independent unconditional: 0, dependent: 87, dependent conditional: 87, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 602, independent: 515, independent conditional: 84, independent unconditional: 431, dependent: 87, dependent conditional: 7, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 602, independent: 515, independent conditional: 84, independent unconditional: 431, dependent: 87, dependent conditional: 7, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 602, independent: 515, independent conditional: 84, independent unconditional: 431, dependent: 87, dependent conditional: 7, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 8, dependent conditional: 1, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 1, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 17, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 17, dependent conditional: 2, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 602, independent: 503, independent conditional: 84, independent unconditional: 419, dependent: 79, dependent conditional: 6, dependent unconditional: 73, unknown: 20, unknown conditional: 1, unknown unconditional: 19] , Statistics on independence cache: Total cache size (in pairs): 159, Positive cache size: 104, Positive conditional cache size: 0, Positive unconditional cache size: 104, Negative cache size: 55, Negative conditional cache size: 14, Negative unconditional cache size: 41, Unknown cache size: 8, Unknown conditional cache size: 4, Unknown unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: 0 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; [L1745] CALL, EXPR 0 my_drv_init() [L1739] 0 return 0; [L1745] RET, EXPR 0 my_drv_init() [L1745] 0 int ret = my_drv_init(); [L1746] COND TRUE 0 ret==0 [L1747] 0 int probe_ret; [L1748] 0 struct my_data data; [L1749] CALL 0 my_drv_probe(&data) [L1706] 0 struct device *d = &data->dev; [L1708] 0 data->shared.a = 0 [L1709] 0 data->shared.b = 0 [L1710] 0 int res = __VERIFIER_nondet_int(); [L1711] COND FALSE 0 !(\read(res)) [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=-2, res=0, t1={3:0}, t2={4:0}] [L1689] 1 struct device *dev = (struct device*)arg; [L1690] 1 struct my_data *data; [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=-1, pthread_mutex_lock (&data->lock)=0, res=0, t1={3:0}, t2={4:0}] [L1716] 0 data->shared.a = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, pthread_mutex_lock (&data->lock)=0, res=0, t1={3:0}, t2={4:0}] [L1694] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1719] 0 data->shared.b = 3 VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, res=0, t1={3:0}, t2={4:0}] [L1722] EXPR 0 data->shared.a [L1722] CALL 0 ldv_assert(data->shared.a==3) [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\old(expression)=0, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, expression=0, t1={3:0}, t2={4:0}] - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1713]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 168 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 79.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 58.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 348 IncrementalHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 20 mSDtfsCounter, 348 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=360occurred in iteration=5, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-06 04:38:05,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...