/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 23:22:32,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 23:22:32,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 23:22:32,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 23:22:32,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 23:22:32,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 23:22:32,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 23:22:32,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 23:22:32,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 23:22:32,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 23:22:32,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 23:22:32,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 23:22:32,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 23:22:32,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 23:22:32,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 23:22:32,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 23:22:32,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 23:22:32,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 23:22:32,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 23:22:32,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 23:22:32,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 23:22:32,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 23:22:32,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 23:22:32,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 23:22:32,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 23:22:32,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 23:22:32,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 23:22:32,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 23:22:32,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 23:22:32,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 23:22:32,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 23:22:32,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 23:22:32,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 23:22:32,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 23:22:32,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 23:22:32,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 23:22:32,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 23:22:32,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 23:22:32,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 23:22:32,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 23:22:32,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 23:22:32,133 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-RepeatedSemanticLbe.epf [2022-12-05 23:22:32,164 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 23:22:32,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 23:22:32,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 23:22:32,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 23:22:32,166 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 23:22:32,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 23:22:32,167 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 23:22:32,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 23:22:32,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 23:22:32,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 23:22:32,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 23:22:32,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 23:22:32,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 23:22:32,168 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 23:22:32,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 23:22:32,168 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 23:22:32,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 23:22:32,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 23:22:32,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 23:22:32,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 23:22:32,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 23:22:32,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:22:32,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 23:22:32,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 23:22:32,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 23:22:32,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 23:22:32,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 23:22:32,170 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-05 23:22:32,170 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 23:22:32,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 23:22:32,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 23:22:32,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 23:22:32,499 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 23:22:32,499 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 23:22:32,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2022-12-05 23:22:33,528 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 23:22:33,840 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 23:22:33,841 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2022-12-05 23:22:33,865 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/839ac7a2e/c5aa79fbbf4f48938c5e96475d2e1025/FLAGf2622fb9f [2022-12-05 23:22:33,882 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/839ac7a2e/c5aa79fbbf4f48938c5e96475d2e1025 [2022-12-05 23:22:33,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 23:22:33,885 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 23:22:33,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 23:22:33,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 23:22:33,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 23:22:33,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:22:33" (1/1) ... [2022-12-05 23:22:33,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc1c25e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:33, skipping insertion in model container [2022-12-05 23:22:33,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:22:33" (1/1) ... [2022-12-05 23:22:33,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 23:22:33,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 23:22:34,118 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-05 23:22:34,677 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_5-container_of.i[75002,75015] [2022-12-05 23:22:34,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:22:34,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:22:34,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:22:34,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:22:34,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:22:34,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:22:34,709 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:22:34,710 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:22:34,710 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:22:34,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:22:34,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:22:34,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:22:34,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:22:34,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:22:34,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:22:34,736 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 23:22:34,747 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-05 23:22:34,788 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_5-container_of.i[75002,75015] [2022-12-05 23:22:34,791 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:22:34,792 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:22:34,792 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:22:34,795 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:22:34,795 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:22:34,795 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:22:34,801 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:22:34,801 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:22:34,801 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:22:34,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:22:34,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:22:34,804 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:22:34,804 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:22:34,805 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:22:34,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:22:34,916 INFO L208 MainTranslator]: Completed translation [2022-12-05 23:22:34,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:34 WrapperNode [2022-12-05 23:22:34,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 23:22:34,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 23:22:34,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 23:22:34,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 23:22:34,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:34" (1/1) ... [2022-12-05 23:22:34,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:34" (1/1) ... [2022-12-05 23:22:34,973 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 143 [2022-12-05 23:22:34,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 23:22:34,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 23:22:34,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 23:22:34,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 23:22:34,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:34" (1/1) ... [2022-12-05 23:22:34,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:34" (1/1) ... [2022-12-05 23:22:34,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:34" (1/1) ... [2022-12-05 23:22:34,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:34" (1/1) ... [2022-12-05 23:22:34,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:34" (1/1) ... [2022-12-05 23:22:35,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:34" (1/1) ... [2022-12-05 23:22:35,004 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:34" (1/1) ... [2022-12-05 23:22:35,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:34" (1/1) ... [2022-12-05 23:22:35,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 23:22:35,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 23:22:35,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 23:22:35,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 23:22:35,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:34" (1/1) ... [2022-12-05 23:22:35,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:22:35,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 23:22:35,040 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) [2022-12-05 23:22:35,068 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 [2022-12-05 23:22:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-05 23:22:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 23:22:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-05 23:22:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 23:22:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-05 23:22:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 23:22:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-05 23:22:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 23:22:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 23:22:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-12-05 23:22:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-12-05 23:22:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 23:22:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 23:22:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 23:22:35,091 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 23:22:35,422 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 23:22:35,424 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 23:22:35,658 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 23:22:35,738 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 23:22:35,739 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 23:22:35,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:22:35 BoogieIcfgContainer [2022-12-05 23:22:35,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 23:22:35,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 23:22:35,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 23:22:35,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 23:22:35,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 11:22:33" (1/3) ... [2022-12-05 23:22:35,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6748951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:22:35, skipping insertion in model container [2022-12-05 23:22:35,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:22:34" (2/3) ... [2022-12-05 23:22:35,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6748951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:22:35, skipping insertion in model container [2022-12-05 23:22:35,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:22:35" (3/3) ... [2022-12-05 23:22:35,764 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2022-12-05 23:22:35,780 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 23:22:35,780 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-05 23:22:35,780 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 23:22:35,861 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 23:22:35,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 158 transitions, 332 flow [2022-12-05 23:22:35,946 INFO L130 PetriNetUnfolder]: 8/196 cut-off events. [2022-12-05 23:22:35,947 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 23:22:35,952 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 6. Compared 344 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. [2022-12-05 23:22:35,952 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 158 transitions, 332 flow [2022-12-05 23:22:35,956 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 146 transitions, 304 flow [2022-12-05 23:22:35,957 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:22:35,973 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 146 transitions, 304 flow [2022-12-05 23:22:35,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 148 places, 146 transitions, 304 flow [2022-12-05 23:22:36,034 INFO L130 PetriNetUnfolder]: 5/177 cut-off events. [2022-12-05 23:22:36,034 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 23:22:36,036 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 6. Compared 292 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. [2022-12-05 23:22:36,040 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 146 transitions, 304 flow [2022-12-05 23:22:36,040 INFO L188 LiptonReduction]: Number of co-enabled transitions 2548 [2022-12-05 23:22:36,206 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:22:36,207 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:22:36,213 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:22:36,214 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:22:50,044 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:22:50,045 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:22:50,047 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:22:50,048 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:22:52,429 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:22:52,430 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:22:52,431 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:22:52,433 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:22:52,489 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:22:52,490 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:22:52,492 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:22:52,492 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:22:57,202 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:22:57,203 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:22:57,205 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:22:57,209 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:22:59,577 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:22:59,579 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:22:59,581 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:22:59,583 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:02,161 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:02,162 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:02,164 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:02,165 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:02,336 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:02,337 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:02,339 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:02,340 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:07,105 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:07,106 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:07,107 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:07,108 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:08,056 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:08,056 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:08,058 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:08,059 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:13,377 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:13,378 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-12-05 23:23:13,380 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:13,380 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2022-12-05 23:23:13,382 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:13,383 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:13,385 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:13,386 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:13,388 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:13,389 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:13,390 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:13,391 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:13,394 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:13,395 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:13,396 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:13,397 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:13,399 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:13,400 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:13,402 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:13,402 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:16,686 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:16,687 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 23:23:16,691 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:16,692 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:16,694 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:16,695 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 23:23:16,698 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:16,699 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:16,705 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:16,705 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:16,709 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:16,710 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:16,712 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:16,713 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 23:23:16,716 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:16,717 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:16,719 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:16,720 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 23:23:16,722 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:16,723 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:18,915 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:18,916 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:18,918 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:18,918 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:18,961 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:18,962 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:18,964 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:18,965 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:19,142 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:19,143 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 23:23:19,148 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:19,148 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-05 23:23:19,153 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:19,154 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:19,157 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:19,158 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 23:23:19,162 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:19,163 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-05 23:23:19,178 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:19,179 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:19,188 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:19,190 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 23:23:19,195 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:19,196 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:19,199 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:19,199 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 23:23:19,203 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:19,204 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:30,139 INFO L203 LiptonReduction]: Total number of compositions: 112 [2022-12-05 23:23:30,152 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 23:23:30,157 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;@56ab6c2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 23:23:30,157 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-05 23:23:30,161 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2022-12-05 23:23:30,161 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:23:30,161 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:23:30,161 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-05 23:23:30,162 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 23:23:30,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:23:30,166 INFO L85 PathProgramCache]: Analyzing trace with hash 566858, now seen corresponding path program 1 times [2022-12-05 23:23:30,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:23:30,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305924082] [2022-12-05 23:23:30,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:23:30,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:23:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:23:30,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:23:30,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:23:30,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305924082] [2022-12-05 23:23:30,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305924082] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:23:30,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:23:30,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 23:23:30,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136000980] [2022-12-05 23:23:30,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:23:30,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-05 23:23:30,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:23:30,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-05 23:23:30,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-05 23:23:30,485 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 39 [2022-12-05 23:23:30,486 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 39 transitions, 90 flow. Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) [2022-12-05 23:23:30,486 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:23:30,486 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 39 [2022-12-05 23:23:30,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:23:30,606 INFO L130 PetriNetUnfolder]: 353/693 cut-off events. [2022-12-05 23:23:30,606 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-05 23:23:30,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1336 conditions, 693 events. 353/693 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3692 event pairs, 352 based on Foata normal form. 31/560 useless extension candidates. Maximal degree in co-relation 1146. Up to 621 conditions per place. [2022-12-05 23:23:30,612 INFO L137 encePairwiseOnDemand]: 38/39 looper letters, 31 selfloop transitions, 0 changer transitions 0/38 dead transitions. [2022-12-05 23:23:30,613 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 38 transitions, 150 flow [2022-12-05 23:23:30,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-05 23:23:30,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-05 23:23:30,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 46 transitions. [2022-12-05 23:23:30,622 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5897435897435898 [2022-12-05 23:23:30,623 INFO L175 Difference]: Start difference. First operand has 43 places, 39 transitions, 90 flow. Second operand 2 states and 46 transitions. [2022-12-05 23:23:30,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 38 transitions, 150 flow [2022-12-05 23:23:30,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 38 transitions, 142 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-05 23:23:30,627 INFO L231 Difference]: Finished difference. Result has 40 places, 38 transitions, 80 flow [2022-12-05 23:23:30,629 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=80, PETRI_PLACES=40, PETRI_TRANSITIONS=38} [2022-12-05 23:23:30,631 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -3 predicate places. [2022-12-05 23:23:30,632 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:23:30,632 INFO L89 Accepts]: Start accepts. Operand has 40 places, 38 transitions, 80 flow [2022-12-05 23:23:30,634 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:23:30,634 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:23:30,634 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 38 transitions, 80 flow [2022-12-05 23:23:30,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 38 transitions, 80 flow [2022-12-05 23:23:30,642 INFO L130 PetriNetUnfolder]: 1/44 cut-off events. [2022-12-05 23:23:30,642 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:23:30,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 44 events. 1/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 87 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-05 23:23:30,643 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 38 transitions, 80 flow [2022-12-05 23:23:30,643 INFO L188 LiptonReduction]: Number of co-enabled transitions 372 [2022-12-05 23:23:35,070 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:35,075 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:35,076 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:35,077 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:41,961 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-05 23:23:41,963 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 11331 [2022-12-05 23:23:41,963 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 37 transitions, 78 flow [2022-12-05 23:23:41,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) [2022-12-05 23:23:41,963 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:23:41,963 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-05 23:23:41,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 23:23:41,964 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 23:23:41,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:23:41,964 INFO L85 PathProgramCache]: Analyzing trace with hash 17567358, now seen corresponding path program 1 times [2022-12-05 23:23:41,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:23:41,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221193188] [2022-12-05 23:23:41,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:23:41,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:23:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:23:42,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:23:42,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:23:42,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221193188] [2022-12-05 23:23:42,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221193188] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:23:42,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:23:42,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:23:42,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950836045] [2022-12-05 23:23:42,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:23:42,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:23:42,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:23:42,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:23:42,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:23:42,294 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 37 [2022-12-05 23:23:42,294 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 37 transitions, 78 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) [2022-12-05 23:23:42,294 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:23:42,294 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 37 [2022-12-05 23:23:42,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:23:42,557 INFO L130 PetriNetUnfolder]: 897/1527 cut-off events. [2022-12-05 23:23:42,557 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 23:23:42,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3064 conditions, 1527 events. 897/1527 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 7558 event pairs, 450 based on Foata normal form. 0/1271 useless extension candidates. Maximal degree in co-relation 235. Up to 1063 conditions per place. [2022-12-05 23:23:42,565 INFO L137 encePairwiseOnDemand]: 29/37 looper letters, 45 selfloop transitions, 7 changer transitions 0/52 dead transitions. [2022-12-05 23:23:42,565 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 52 transitions, 212 flow [2022-12-05 23:23:42,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:23:42,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:23:42,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-12-05 23:23:42,567 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4774774774774775 [2022-12-05 23:23:42,567 INFO L175 Difference]: Start difference. First operand has 38 places, 37 transitions, 78 flow. Second operand 3 states and 53 transitions. [2022-12-05 23:23:42,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 52 transitions, 212 flow [2022-12-05 23:23:42,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 52 transitions, 212 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-05 23:23:42,569 INFO L231 Difference]: Finished difference. Result has 42 places, 42 transitions, 128 flow [2022-12-05 23:23:42,569 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=42, PETRI_TRANSITIONS=42} [2022-12-05 23:23:42,570 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -1 predicate places. [2022-12-05 23:23:42,570 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:23:42,570 INFO L89 Accepts]: Start accepts. Operand has 42 places, 42 transitions, 128 flow [2022-12-05 23:23:42,570 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:23:42,570 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:23:42,571 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 42 transitions, 128 flow [2022-12-05 23:23:42,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 42 transitions, 128 flow [2022-12-05 23:23:42,588 INFO L130 PetriNetUnfolder]: 51/189 cut-off events. [2022-12-05 23:23:42,588 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-05 23:23:42,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 189 events. 51/189 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 910 event pairs, 20 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 76. Up to 75 conditions per place. [2022-12-05 23:23:42,590 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 42 transitions, 128 flow [2022-12-05 23:23:42,590 INFO L188 LiptonReduction]: Number of co-enabled transitions 404 [2022-12-05 23:23:46,926 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:23:46,927 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4357 [2022-12-05 23:23:46,927 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 42 transitions, 128 flow [2022-12-05 23:23:46,928 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) [2022-12-05 23:23:46,928 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:23:46,928 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-05 23:23:46,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 23:23:46,928 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 23:23:46,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:23:46,929 INFO L85 PathProgramCache]: Analyzing trace with hash 544588664, now seen corresponding path program 1 times [2022-12-05 23:23:46,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:23:46,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764962280] [2022-12-05 23:23:46,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:23:46,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:23:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:23:47,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:23:47,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:23:47,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764962280] [2022-12-05 23:23:47,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764962280] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:23:47,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:23:47,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:23:47,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266887017] [2022-12-05 23:23:47,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:23:47,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:23:47,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:23:47,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:23:47,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:23:47,173 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 37 [2022-12-05 23:23:47,174 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 42 transitions, 128 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) [2022-12-05 23:23:47,174 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:23:47,174 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 37 [2022-12-05 23:23:47,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:23:47,443 INFO L130 PetriNetUnfolder]: 1037/1777 cut-off events. [2022-12-05 23:23:47,444 INFO L131 PetriNetUnfolder]: For 558/558 co-relation queries the response was YES. [2022-12-05 23:23:47,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4474 conditions, 1777 events. 1037/1777 cut-off events. For 558/558 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9281 event pairs, 614 based on Foata normal form. 50/1644 useless extension candidates. Maximal degree in co-relation 1114. Up to 1358 conditions per place. [2022-12-05 23:23:47,454 INFO L137 encePairwiseOnDemand]: 31/37 looper letters, 49 selfloop transitions, 9 changer transitions 2/60 dead transitions. [2022-12-05 23:23:47,454 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 60 transitions, 314 flow [2022-12-05 23:23:47,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:23:47,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:23:47,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2022-12-05 23:23:47,457 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.46846846846846846 [2022-12-05 23:23:47,458 INFO L175 Difference]: Start difference. First operand has 42 places, 42 transitions, 128 flow. Second operand 3 states and 52 transitions. [2022-12-05 23:23:47,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 60 transitions, 314 flow [2022-12-05 23:23:47,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 60 transitions, 290 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-05 23:23:47,465 INFO L231 Difference]: Finished difference. Result has 43 places, 48 transitions, 185 flow [2022-12-05 23:23:47,466 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=43, PETRI_TRANSITIONS=48} [2022-12-05 23:23:47,467 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 0 predicate places. [2022-12-05 23:23:47,467 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:23:47,467 INFO L89 Accepts]: Start accepts. Operand has 43 places, 48 transitions, 185 flow [2022-12-05 23:23:47,468 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:23:47,468 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:23:47,468 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 48 transitions, 185 flow [2022-12-05 23:23:47,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 48 transitions, 185 flow [2022-12-05 23:23:47,497 INFO L130 PetriNetUnfolder]: 114/293 cut-off events. [2022-12-05 23:23:47,497 INFO L131 PetriNetUnfolder]: For 131/133 co-relation queries the response was YES. [2022-12-05 23:23:47,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 702 conditions, 293 events. 114/293 cut-off events. For 131/133 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1443 event pairs, 19 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 178. Up to 155 conditions per place. [2022-12-05 23:23:47,499 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 48 transitions, 185 flow [2022-12-05 23:23:47,499 INFO L188 LiptonReduction]: Number of co-enabled transitions 428 [2022-12-05 23:23:47,514 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:47,514 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:47,516 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:47,516 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:47,745 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-05 23:23:47,746 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 279 [2022-12-05 23:23:47,746 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 47 transitions, 186 flow [2022-12-05 23:23:47,746 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) [2022-12-05 23:23:47,746 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:23:47,746 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:23:47,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 23:23:47,746 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 23:23:47,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:23:47,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1995558433, now seen corresponding path program 1 times [2022-12-05 23:23:47,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:23:47,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312409729] [2022-12-05 23:23:47,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:23:47,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:23:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:23:47,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:23:47,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:23:47,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312409729] [2022-12-05 23:23:47,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312409729] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:23:47,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:23:47,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:23:47,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637303900] [2022-12-05 23:23:47,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:23:47,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-05 23:23:47,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:23:47,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-05 23:23:47,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-05 23:23:47,789 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 35 [2022-12-05 23:23:47,790 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 47 transitions, 186 flow. Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-12-05 23:23:47,790 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:23:47,790 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 35 [2022-12-05 23:23:47,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:23:47,864 INFO L130 PetriNetUnfolder]: 119/269 cut-off events. [2022-12-05 23:23:47,865 INFO L131 PetriNetUnfolder]: For 110/128 co-relation queries the response was YES. [2022-12-05 23:23:47,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 597 conditions, 269 events. 119/269 cut-off events. For 110/128 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1028 event pairs, 119 based on Foata normal form. 41/257 useless extension candidates. Maximal degree in co-relation 592. Up to 226 conditions per place. [2022-12-05 23:23:47,866 INFO L137 encePairwiseOnDemand]: 34/35 looper letters, 22 selfloop transitions, 0 changer transitions 1/29 dead transitions. [2022-12-05 23:23:47,866 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 29 transitions, 124 flow [2022-12-05 23:23:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-05 23:23:47,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-05 23:23:47,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 38 transitions. [2022-12-05 23:23:47,868 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5428571428571428 [2022-12-05 23:23:47,868 INFO L175 Difference]: Start difference. First operand has 42 places, 47 transitions, 186 flow. Second operand 2 states and 38 transitions. [2022-12-05 23:23:47,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 29 transitions, 124 flow [2022-12-05 23:23:47,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 29 transitions, 116 flow, removed 4 selfloop flow, removed 1 redundant places. [2022-12-05 23:23:47,870 INFO L231 Difference]: Finished difference. Result has 35 places, 28 transitions, 68 flow [2022-12-05 23:23:47,870 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=68, PETRI_PLACES=35, PETRI_TRANSITIONS=28} [2022-12-05 23:23:47,871 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -8 predicate places. [2022-12-05 23:23:47,872 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:23:47,872 INFO L89 Accepts]: Start accepts. Operand has 35 places, 28 transitions, 68 flow [2022-12-05 23:23:47,872 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:23:47,872 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:23:47,872 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 28 transitions, 68 flow [2022-12-05 23:23:47,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 28 transitions, 68 flow [2022-12-05 23:23:47,879 INFO L130 PetriNetUnfolder]: 4/58 cut-off events. [2022-12-05 23:23:47,880 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:23:47,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 58 events. 4/58 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 134 event pairs, 4 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 35. Up to 13 conditions per place. [2022-12-05 23:23:47,880 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 28 transitions, 68 flow [2022-12-05 23:23:47,880 INFO L188 LiptonReduction]: Number of co-enabled transitions 202 [2022-12-05 23:23:47,886 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:23:47,891 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 19 [2022-12-05 23:23:47,891 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 28 transitions, 68 flow [2022-12-05 23:23:47,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-12-05 23:23:47,891 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:23:47,891 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:23:47,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-05 23:23:47,892 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 23:23:47,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:23:47,892 INFO L85 PathProgramCache]: Analyzing trace with hash -281828421, now seen corresponding path program 1 times [2022-12-05 23:23:47,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:23:47,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126551346] [2022-12-05 23:23:47,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:23:47,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:23:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:23:48,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:23:48,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:23:48,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126551346] [2022-12-05 23:23:48,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126551346] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:23:48,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:23:48,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:23:48,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537364220] [2022-12-05 23:23:48,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:23:48,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:23:48,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:23:48,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:23:48,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:23:48,151 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 28 [2022-12-05 23:23:48,151 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 28 transitions, 68 flow. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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) [2022-12-05 23:23:48,152 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:23:48,152 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 28 [2022-12-05 23:23:48,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:23:48,253 INFO L130 PetriNetUnfolder]: 178/363 cut-off events. [2022-12-05 23:23:48,253 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2022-12-05 23:23:48,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 363 events. 178/363 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1245 event pairs, 125 based on Foata normal form. 0/326 useless extension candidates. Maximal degree in co-relation 140. Up to 293 conditions per place. [2022-12-05 23:23:48,255 INFO L137 encePairwiseOnDemand]: 21/28 looper letters, 36 selfloop transitions, 6 changer transitions 0/42 dead transitions. [2022-12-05 23:23:48,255 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 42 transitions, 185 flow [2022-12-05 23:23:48,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:23:48,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:23:48,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 43 transitions. [2022-12-05 23:23:48,256 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5119047619047619 [2022-12-05 23:23:48,256 INFO L175 Difference]: Start difference. First operand has 32 places, 28 transitions, 68 flow. Second operand 3 states and 43 transitions. [2022-12-05 23:23:48,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 42 transitions, 185 flow [2022-12-05 23:23:48,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 42 transitions, 185 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-05 23:23:48,258 INFO L231 Difference]: Finished difference. Result has 36 places, 33 transitions, 118 flow [2022-12-05 23:23:48,259 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=118, PETRI_PLACES=36, PETRI_TRANSITIONS=33} [2022-12-05 23:23:48,261 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -7 predicate places. [2022-12-05 23:23:48,261 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:23:48,261 INFO L89 Accepts]: Start accepts. Operand has 36 places, 33 transitions, 118 flow [2022-12-05 23:23:48,262 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:23:48,262 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:23:48,262 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 33 transitions, 118 flow [2022-12-05 23:23:48,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 33 transitions, 118 flow [2022-12-05 23:23:48,271 INFO L130 PetriNetUnfolder]: 11/73 cut-off events. [2022-12-05 23:23:48,272 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-12-05 23:23:48,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 73 events. 11/73 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 215 event pairs, 5 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 54. Up to 20 conditions per place. [2022-12-05 23:23:48,272 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 33 transitions, 118 flow [2022-12-05 23:23:48,272 INFO L188 LiptonReduction]: Number of co-enabled transitions 198 [2022-12-05 23:23:54,876 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:23:54,877 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 6616 [2022-12-05 23:23:54,877 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 33 transitions, 118 flow [2022-12-05 23:23:54,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 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) [2022-12-05 23:23:54,877 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:23:54,877 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:23:54,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-05 23:23:54,878 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 23:23:54,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:23:54,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1239284489, now seen corresponding path program 1 times [2022-12-05 23:23:54,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:23:54,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38521173] [2022-12-05 23:23:54,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:23:54,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:23:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:23:55,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:23:55,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:23:55,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38521173] [2022-12-05 23:23:55,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38521173] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:23:55,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:23:55,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:23:55,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425904349] [2022-12-05 23:23:55,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:23:55,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:23:55,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:23:55,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:23:55,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:23:55,141 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 28 [2022-12-05 23:23:55,141 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 33 transitions, 118 flow. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-12-05 23:23:55,142 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:23:55,142 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 28 [2022-12-05 23:23:55,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:23:55,245 INFO L130 PetriNetUnfolder]: 188/391 cut-off events. [2022-12-05 23:23:55,245 INFO L131 PetriNetUnfolder]: For 160/160 co-relation queries the response was YES. [2022-12-05 23:23:55,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 993 conditions, 391 events. 188/391 cut-off events. For 160/160 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1401 event pairs, 135 based on Foata normal form. 0/361 useless extension candidates. Maximal degree in co-relation 563. Up to 314 conditions per place. [2022-12-05 23:23:55,248 INFO L137 encePairwiseOnDemand]: 21/28 looper letters, 36 selfloop transitions, 9 changer transitions 2/47 dead transitions. [2022-12-05 23:23:55,248 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 47 transitions, 267 flow [2022-12-05 23:23:55,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:23:55,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:23:55,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 42 transitions. [2022-12-05 23:23:55,251 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-05 23:23:55,251 INFO L175 Difference]: Start difference. First operand has 36 places, 33 transitions, 118 flow. Second operand 3 states and 42 transitions. [2022-12-05 23:23:55,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 47 transitions, 267 flow [2022-12-05 23:23:55,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 47 transitions, 241 flow, removed 4 selfloop flow, removed 2 redundant places. [2022-12-05 23:23:55,253 INFO L231 Difference]: Finished difference. Result has 38 places, 38 transitions, 174 flow [2022-12-05 23:23:55,253 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=38, PETRI_TRANSITIONS=38} [2022-12-05 23:23:55,255 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -5 predicate places. [2022-12-05 23:23:55,256 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:23:55,256 INFO L89 Accepts]: Start accepts. Operand has 38 places, 38 transitions, 174 flow [2022-12-05 23:23:55,257 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:23:55,257 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:23:55,257 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 38 transitions, 174 flow [2022-12-05 23:23:55,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 38 transitions, 174 flow [2022-12-05 23:23:55,273 INFO L130 PetriNetUnfolder]: 23/104 cut-off events. [2022-12-05 23:23:55,273 INFO L131 PetriNetUnfolder]: For 74/74 co-relation queries the response was YES. [2022-12-05 23:23:55,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 104 events. 23/104 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 368 event pairs, 4 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 74. Up to 36 conditions per place. [2022-12-05 23:23:55,274 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 38 transitions, 174 flow [2022-12-05 23:23:55,274 INFO L188 LiptonReduction]: Number of co-enabled transitions 156 [2022-12-05 23:23:55,363 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-05 23:23:55,364 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 108 [2022-12-05 23:23:55,364 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 38 transitions, 178 flow [2022-12-05 23:23:55,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-12-05 23:23:55,364 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:23:55,364 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:23:55,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-05 23:23:55,364 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 23:23:55,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:23:55,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1398879766, now seen corresponding path program 1 times [2022-12-05 23:23:55,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:23:55,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914424856] [2022-12-05 23:23:55,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:23:55,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:23:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:23:56,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:23:56,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:23:56,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914424856] [2022-12-05 23:23:56,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914424856] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:23:56,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:23:56,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 23:23:56,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371959281] [2022-12-05 23:23:56,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:23:56,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 23:23:56,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:23:56,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 23:23:56,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-05 23:23:56,085 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 28 [2022-12-05 23:23:56,085 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 38 transitions, 178 flow. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:23:56,085 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:23:56,085 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 28 [2022-12-05 23:23:56,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:23:56,263 INFO L130 PetriNetUnfolder]: 140/328 cut-off events. [2022-12-05 23:23:56,263 INFO L131 PetriNetUnfolder]: For 171/175 co-relation queries the response was YES. [2022-12-05 23:23:56,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 868 conditions, 328 events. 140/328 cut-off events. For 171/175 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1376 event pairs, 53 based on Foata normal form. 10/322 useless extension candidates. Maximal degree in co-relation 526. Up to 166 conditions per place. [2022-12-05 23:23:56,266 INFO L137 encePairwiseOnDemand]: 21/28 looper letters, 40 selfloop transitions, 7 changer transitions 0/54 dead transitions. [2022-12-05 23:23:56,266 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 54 transitions, 317 flow [2022-12-05 23:23:56,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 23:23:56,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 23:23:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 65 transitions. [2022-12-05 23:23:56,267 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3869047619047619 [2022-12-05 23:23:56,267 INFO L175 Difference]: Start difference. First operand has 37 places, 38 transitions, 178 flow. Second operand 6 states and 65 transitions. [2022-12-05 23:23:56,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 54 transitions, 317 flow [2022-12-05 23:23:56,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 54 transitions, 295 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-05 23:23:56,270 INFO L231 Difference]: Finished difference. Result has 42 places, 42 transitions, 193 flow [2022-12-05 23:23:56,270 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=193, PETRI_PLACES=42, PETRI_TRANSITIONS=42} [2022-12-05 23:23:56,271 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, -1 predicate places. [2022-12-05 23:23:56,271 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:23:56,271 INFO L89 Accepts]: Start accepts. Operand has 42 places, 42 transitions, 193 flow [2022-12-05 23:23:56,272 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:23:56,272 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:23:56,273 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 42 transitions, 193 flow [2022-12-05 23:23:56,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 42 transitions, 193 flow [2022-12-05 23:23:56,284 INFO L130 PetriNetUnfolder]: 27/121 cut-off events. [2022-12-05 23:23:56,284 INFO L131 PetriNetUnfolder]: For 51/51 co-relation queries the response was YES. [2022-12-05 23:23:56,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 121 events. 27/121 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 459 event pairs, 4 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 179. Up to 38 conditions per place. [2022-12-05 23:23:56,285 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 42 transitions, 193 flow [2022-12-05 23:23:56,285 INFO L188 LiptonReduction]: Number of co-enabled transitions 154 [2022-12-05 23:23:56,297 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:56,303 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:56,304 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:23:56,305 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:23:58,818 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-05 23:23:58,819 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2548 [2022-12-05 23:23:58,819 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 41 transitions, 195 flow [2022-12-05 23:23:58,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:23:58,819 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:23:58,820 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:23:58,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-05 23:23:58,820 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 23:23:58,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:23:58,820 INFO L85 PathProgramCache]: Analyzing trace with hash -146483445, now seen corresponding path program 1 times [2022-12-05 23:23:58,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:23:58,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186133602] [2022-12-05 23:23:58,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:23:58,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:23:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:23:59,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:23:59,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:23:59,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186133602] [2022-12-05 23:23:59,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186133602] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:23:59,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:23:59,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 23:23:59,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929675843] [2022-12-05 23:23:59,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:23:59,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 23:23:59,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:23:59,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 23:23:59,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-05 23:23:59,407 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-05 23:23:59,407 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 41 transitions, 195 flow. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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) [2022-12-05 23:23:59,407 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:23:59,407 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-05 23:23:59,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:23:59,587 INFO L130 PetriNetUnfolder]: 146/323 cut-off events. [2022-12-05 23:23:59,588 INFO L131 PetriNetUnfolder]: For 287/287 co-relation queries the response was YES. [2022-12-05 23:23:59,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 993 conditions, 323 events. 146/323 cut-off events. For 287/287 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1248 event pairs, 30 based on Foata normal form. 0/308 useless extension candidates. Maximal degree in co-relation 492. Up to 164 conditions per place. [2022-12-05 23:23:59,590 INFO L137 encePairwiseOnDemand]: 19/29 looper letters, 52 selfloop transitions, 15 changer transitions 0/67 dead transitions. [2022-12-05 23:23:59,590 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 67 transitions, 442 flow [2022-12-05 23:23:59,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 23:23:59,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 23:23:59,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 54 transitions. [2022-12-05 23:23:59,591 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3103448275862069 [2022-12-05 23:23:59,591 INFO L175 Difference]: Start difference. First operand has 41 places, 41 transitions, 195 flow. Second operand 6 states and 54 transitions. [2022-12-05 23:23:59,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 67 transitions, 442 flow [2022-12-05 23:23:59,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 67 transitions, 435 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-12-05 23:23:59,594 INFO L231 Difference]: Finished difference. Result has 46 places, 44 transitions, 267 flow [2022-12-05 23:23:59,594 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=267, PETRI_PLACES=46, PETRI_TRANSITIONS=44} [2022-12-05 23:23:59,594 INFO L294 CegarLoopForPetriNet]: 43 programPoint places, 3 predicate places. [2022-12-05 23:23:59,594 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:23:59,595 INFO L89 Accepts]: Start accepts. Operand has 46 places, 44 transitions, 267 flow [2022-12-05 23:23:59,595 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:23:59,595 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:23:59,596 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 44 transitions, 267 flow [2022-12-05 23:23:59,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 44 transitions, 267 flow [2022-12-05 23:23:59,607 INFO L130 PetriNetUnfolder]: 25/112 cut-off events. [2022-12-05 23:23:59,607 INFO L131 PetriNetUnfolder]: For 151/152 co-relation queries the response was YES. [2022-12-05 23:23:59,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 112 events. 25/112 cut-off events. For 151/152 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 415 event pairs, 6 based on Foata normal form. 1/103 useless extension candidates. Maximal degree in co-relation 225. Up to 34 conditions per place. [2022-12-05 23:23:59,608 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 44 transitions, 267 flow [2022-12-05 23:23:59,608 INFO L188 LiptonReduction]: Number of co-enabled transitions 126 [2022-12-05 23:24:01,750 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:24:01,752 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2158 [2022-12-05 23:24:01,752 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 44 transitions, 267 flow [2022-12-05 23:24:01,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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) [2022-12-05 23:24:01,752 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:24:01,752 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:24:01,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-05 23:24:01,752 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2022-12-05 23:24:01,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:24:01,753 INFO L85 PathProgramCache]: Analyzing trace with hash -146490843, now seen corresponding path program 1 times [2022-12-05 23:24:01,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:24:01,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967995122] [2022-12-05 23:24:01,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:24:01,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:24:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 23:24:01,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-05 23:24:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-05 23:24:01,872 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-05 23:24:01,873 INFO L373 BasicCegarLoop]: Counterexample is feasible [2022-12-05 23:24:01,873 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2022-12-05 23:24:01,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2022-12-05 23:24:01,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2022-12-05 23:24:01,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2022-12-05 23:24:01,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2022-12-05 23:24:01,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2022-12-05 23:24:01,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2022-12-05 23:24:01,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2022-12-05 23:24:01,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-05 23:24:01,876 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:24:01,880 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 23:24:01,880 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 23:24:01,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 11:24:01 BasicIcfg [2022-12-05 23:24:01,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 23:24:01,925 INFO L158 Benchmark]: Toolchain (without parser) took 88040.06ms. Allocated memory was 182.5MB in the beginning and 253.8MB in the end (delta: 71.3MB). Free memory was 138.0MB in the beginning and 129.5MB in the end (delta: 8.5MB). Peak memory consumption was 80.9MB. Max. memory is 8.0GB. [2022-12-05 23:24:01,925 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 182.5MB. Free memory is still 158.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 23:24:01,926 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1030.35ms. Allocated memory is still 182.5MB. Free memory was 138.0MB in the beginning and 83.5MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 8.0GB. [2022-12-05 23:24:01,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.01ms. Allocated memory is still 182.5MB. Free memory was 83.5MB in the beginning and 79.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-12-05 23:24:01,926 INFO L158 Benchmark]: Boogie Preprocessor took 37.14ms. Allocated memory is still 182.5MB. Free memory was 79.3MB in the beginning and 76.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 23:24:01,926 INFO L158 Benchmark]: RCFGBuilder took 745.84ms. Allocated memory is still 182.5MB. Free memory was 76.7MB in the beginning and 147.0MB in the end (delta: -70.4MB). Peak memory consumption was 25.6MB. Max. memory is 8.0GB. [2022-12-05 23:24:01,926 INFO L158 Benchmark]: TraceAbstraction took 86165.82ms. Allocated memory was 182.5MB in the beginning and 253.8MB in the end (delta: 71.3MB). Free memory was 146.0MB in the beginning and 129.5MB in the end (delta: 16.5MB). Peak memory consumption was 87.8MB. Max. memory is 8.0GB. [2022-12-05 23:24:01,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 182.5MB. Free memory is still 158.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1030.35ms. Allocated memory is still 182.5MB. Free memory was 138.0MB in the beginning and 83.5MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.01ms. Allocated memory is still 182.5MB. Free memory was 83.5MB in the beginning and 79.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.14ms. Allocated memory is still 182.5MB. Free memory was 79.3MB in the beginning and 76.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 745.84ms. Allocated memory is still 182.5MB. Free memory was 76.7MB in the beginning and 147.0MB in the end (delta: -70.4MB). Peak memory consumption was 25.6MB. Max. memory is 8.0GB. * TraceAbstraction took 86165.82ms. Allocated memory was 182.5MB in the beginning and 253.8MB in the end (delta: 71.3MB). Free memory was 146.0MB in the beginning and 129.5MB in the end (delta: 16.5MB). Peak memory consumption was 87.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.1s, 148 PlacesBefore, 43 PlacesAfterwards, 146 TransitionsBefore, 39 TransitionsAfterwards, 2548 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 60 TrivialYvCompositions, 47 ConcurrentYvCompositions, 2 ChoiceCompositions, 112 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1794, independent: 1667, independent conditional: 1667, independent unconditional: 0, dependent: 69, dependent conditional: 69, dependent unconditional: 0, unknown: 58, unknown conditional: 58, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1794, independent: 1667, independent conditional: 0, independent unconditional: 1667, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 58, unknown conditional: 0, unknown unconditional: 58] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1794, independent: 1667, independent conditional: 0, independent unconditional: 1667, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 58, unknown conditional: 0, unknown unconditional: 58] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, independent: 1667, independent conditional: 0, independent unconditional: 1667, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 58, unknown conditional: 0, unknown unconditional: 58] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1432, independent: 1384, independent conditional: 0, independent unconditional: 1384, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 19, unknown conditional: 0, unknown unconditional: 19] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1432, independent: 1378, independent conditional: 0, independent unconditional: 1378, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 54, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 19, unknown conditional: 0, unknown unconditional: 19] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41834, independent: 101, independent conditional: 0, independent unconditional: 101, dependent: 590, dependent conditional: 0, dependent unconditional: 590, unknown: 41143, unknown conditional: 0, unknown unconditional: 41143] ], Cache Queries: [ total: 1794, independent: 283, independent conditional: 0, independent unconditional: 283, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 1471, unknown conditional: 0, unknown unconditional: 1471] , Statistics on independence cache: Total cache size (in pairs): 2258, Positive cache size: 2229, Positive conditional cache size: 0, Positive unconditional cache size: 2229, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 19, Unknown conditional cache size: 0, Unknown unconditional cache size: 19, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.3s, 39 PlacesBefore, 38 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 372 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 186, independent: 108, independent conditional: 108, independent unconditional: 0, dependent: 66, dependent conditional: 66, dependent unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 186, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 186, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 186, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 85, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 85, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11052, independent: 90, independent conditional: 0, independent unconditional: 90, dependent: 135, dependent conditional: 0, dependent unconditional: 135, unknown: 10827, unknown conditional: 0, unknown unconditional: 10827] ], Cache Queries: [ total: 186, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 92, unknown conditional: 0, unknown unconditional: 92] , Statistics on independence cache: Total cache size (in pairs): 80, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 5, Unknown conditional cache size: 0, Unknown unconditional cache size: 5, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.3s, 42 PlacesBefore, 42 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 404 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 122, independent: 91, independent conditional: 91, independent unconditional: 0, dependent: 20, dependent conditional: 20, dependent unconditional: 0, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 122, independent: 91, independent conditional: 8, independent unconditional: 83, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 11, unknown conditional: 5, unknown unconditional: 6] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 122, independent: 91, independent conditional: 8, independent unconditional: 83, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 11, unknown conditional: 5, unknown unconditional: 6] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 122, independent: 91, independent conditional: 8, independent unconditional: 83, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 11, unknown conditional: 5, unknown unconditional: 6] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4332, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 4329, unknown conditional: 4329, unknown unconditional: 0] ], Cache Queries: [ total: 122, independent: 87, independent conditional: 8, independent unconditional: 79, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 16, unknown conditional: 6, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 58, Positive conditional cache size: 0, Positive unconditional cache size: 58, Negative cache size: 27, Negative conditional cache size: 1, Negative unconditional cache size: 26, Unknown cache size: 7, Unknown conditional cache size: 2, Unknown unconditional cache size: 5, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 43 PlacesBefore, 42 PlacesAfterwards, 48 TransitionsBefore, 47 TransitionsAfterwards, 428 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 353, independent: 278, independent conditional: 278, independent unconditional: 0, dependent: 63, dependent conditional: 63, dependent unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 353, independent: 278, independent conditional: 34, independent unconditional: 244, dependent: 63, dependent conditional: 8, dependent unconditional: 55, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 353, independent: 278, independent conditional: 34, independent unconditional: 244, dependent: 63, dependent conditional: 8, dependent unconditional: 55, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 353, independent: 278, independent conditional: 34, independent unconditional: 244, dependent: 63, dependent conditional: 8, dependent unconditional: 55, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, independent: 23, independent conditional: 1, independent unconditional: 22, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 353, independent: 255, independent conditional: 33, independent unconditional: 222, dependent: 60, dependent conditional: 7, dependent unconditional: 53, unknown: 38, unknown conditional: 2, unknown unconditional: 36] , Statistics on independence cache: Total cache size (in pairs): 125, Positive cache size: 95, Positive conditional cache size: 1, Positive unconditional cache size: 94, Negative cache size: 30, Negative conditional cache size: 2, Negative unconditional cache size: 28, Unknown cache size: 7, Unknown conditional cache size: 2, Unknown unconditional cache size: 5, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 32 PlacesBefore, 32 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 202 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67, independent: 47, independent conditional: 47, independent unconditional: 0, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 67, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 67, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 67, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67, independent: 24, independent conditional: 0, independent unconditional: 24, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 32, unknown conditional: 0, unknown unconditional: 32] , Statistics on independence cache: Total cache size (in pairs): 151, Positive cache size: 118, Positive conditional cache size: 1, Positive unconditional cache size: 117, Negative cache size: 33, Negative conditional cache size: 2, Negative unconditional cache size: 31, Unknown cache size: 7, Unknown conditional cache size: 2, Unknown unconditional cache size: 5, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.6s, 36 PlacesBefore, 36 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 198 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, independent: 15, independent conditional: 15, independent unconditional: 0, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 32, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6602, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 113, dependent conditional: 0, dependent unconditional: 113, unknown: 6489, unknown conditional: 0, unknown unconditional: 6489] ], Cache Queries: [ total: 32, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 118, Positive conditional cache size: 1, Positive unconditional cache size: 117, Negative cache size: 35, Negative conditional cache size: 2, Negative unconditional cache size: 33, Unknown cache size: 10, Unknown conditional cache size: 2, Unknown unconditional cache size: 8, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 37 PlacesBefore, 37 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 156 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 106, independent: 67, independent conditional: 67, independent unconditional: 0, dependent: 37, dependent conditional: 37, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 106, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 37, dependent conditional: 4, dependent unconditional: 33, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 106, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 37, dependent conditional: 4, dependent unconditional: 33, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 37, dependent conditional: 4, dependent unconditional: 33, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 106, independent: 66, independent conditional: 0, independent unconditional: 66, dependent: 35, dependent conditional: 3, dependent unconditional: 32, unknown: 5, unknown conditional: 1, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 160, Positive cache size: 123, Positive conditional cache size: 1, Positive unconditional cache size: 122, Negative cache size: 37, Negative conditional cache size: 3, Negative unconditional cache size: 34, Unknown cache size: 10, Unknown conditional cache size: 2, Unknown unconditional cache size: 8, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 42 PlacesBefore, 41 PlacesAfterwards, 42 TransitionsBefore, 41 TransitionsAfterwards, 154 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 99, independent: 71, independent conditional: 71, independent unconditional: 0, dependent: 24, dependent conditional: 24, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 99, independent: 71, independent conditional: 20, independent unconditional: 51, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 99, independent: 71, independent conditional: 20, independent unconditional: 51, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 99, independent: 71, independent conditional: 20, independent unconditional: 51, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2167, independent: 3, independent conditional: 3, independent unconditional: 0, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 2158, unknown conditional: 0, unknown unconditional: 2158] ], Cache Queries: [ total: 99, independent: 63, independent conditional: 18, independent unconditional: 45, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 15, unknown conditional: 2, unknown unconditional: 13] , Statistics on independence cache: Total cache size (in pairs): 186, Positive cache size: 146, Positive conditional cache size: 3, Positive unconditional cache size: 143, Negative cache size: 40, Negative conditional cache size: 3, Negative unconditional cache size: 37, Unknown cache size: 11, Unknown conditional cache size: 2, Unknown unconditional cache size: 9, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.1s, 46 PlacesBefore, 46 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44, independent: 27, independent conditional: 27, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 44, independent: 27, independent conditional: 11, independent unconditional: 16, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 44, independent: 27, independent conditional: 11, independent unconditional: 16, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 44, independent: 27, independent conditional: 11, independent unconditional: 16, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, independent: 3, independent conditional: 2, independent unconditional: 1, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2140, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 6, dependent unconditional: 2, unknown: 2133, unknown conditional: 0, unknown unconditional: 2133] ], Cache Queries: [ total: 44, independent: 24, independent conditional: 9, independent unconditional: 15, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 8, unknown conditional: 4, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 192, Positive cache size: 149, Positive conditional cache size: 5, Positive unconditional cache size: 144, Negative cache size: 43, Negative conditional cache size: 5, Negative unconditional cache size: 38, Unknown cache size: 12, Unknown conditional cache size: 2, Unknown unconditional cache size: 10, 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, EXPR 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={6:24}, d={6:24}, data={6:0}, data={6:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=-1, 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) );}) [L1694] 1 data->shared.a = 1 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, t1={3:0}, t2={4:0}] [L1697] EXPR 1 data->shared.b [L1697] 1 int lb = data->shared.b; [L1700] 1 data->shared.b = lb + 1 VAL [__mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1703] 1 return 0; [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, d={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=0, res=0, t1={3:0}, t2={4:0}] [L1715] 0 return 0; [L1749] RET, EXPR 0 my_drv_probe(&data) [L1749] 0 probe_ret = my_drv_probe(&data) [L1750] COND TRUE 0 probe_ret==0 [L1751] CALL 0 my_drv_disconnect(&data) [L1721] 0 void *status; [L1722] 0 \read(t1) VAL [\read(t1)=-1, \result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1={3:0}, t2={4:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\read(t1)=-1, \result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, pthread_join(t1, &status)={0:0}, status={5:0}, t1={3:0}, t2={4:0}] [L1724] 0 data->shared.a = 3 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1={3:0}, t2={4:0}] [L1689] 2 struct device *dev = (struct device*)arg; [L1690] 2 struct my_data *data; [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1694] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, lb=0, t1={3:0}, t2={4:0}] [L1727] 0 data->shared.b = 3 VAL [\result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, data={6:0}, data={6:0}, dev={6:24}, lb=0, status={5:0}, t1={3:0}, t2={4:0}] [L1730] EXPR 0 data->shared.a [L1730] CALL 0 ldv_assert(data->shared.a==3) [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, __mptr={6:24}, arg={6:24}, arg={6:24}, data={6:0}, dev={6:24}, expression=0, lb=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: 86.0s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 54.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 169 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 544 IncrementalHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 30 mSDtfsCounter, 544 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=267occurred in iteration=8, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 419 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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! [2022-12-05 23:24:02,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...